Please provide SQL Query that can show the most common price lever for a restaurant in the region "San Luis Potosi"

A B D F G H J K 1 PlaceID Price Country Mexico 2 low medium 3 Mexico Smoking_Area Dress Code not permitted informal permitted informal none informal none informal 4 low 5 Mexico Mexico Mexico low low 6 none casual 7 none Mexico Mexico Mexico informal informal 8 medium medium medium medium 9 casual 10 none permitted not permitted permitted none mexico casual 11 Mexico low 12 low State Tamaulipas Tamaulipas tamaulipas tamaulipas Tamaulipas S.L.P. Morelos Morelos morelos Morelos s.l.p. San Luis Potosi San Luis Potosi San Luis Potosi San Luis Potosi San Luis Potosi San Luis Potosi San Luis Potosi san luis potosi san luis potosi mexico Morelos Morelos 13 none medium 14 Name Address City 132609 Pollo_Frito_Buenos_Aires tampico Victoria 132613 carnitas_mata lic. Emilio portes gil Victoria 132630 palomo tec blvrd emilio portes gil Victoria 132667 little pizza Emilio Portes Gil calle emilio portes gil Victoria 132732 Taqueria El amigo Calle Mezquite Fracc Framboy Ciudad Victoria 132755 La Estrella de Dimas Av. de los Pintores San Luis Potosi 132766 Mikasa Himno nacional esq. Blvd. Jus Cuernavaca 132767 Restaurant Familiar El Chino Paseo de las Fuentes Jiutepec 132768 Mariscos Tia Licha avenida salvador montiel cuernavaca 132773 El cotorreo Emiliano Zapata Col. Tres de Cuernavaca 132825 puesto de tacos esquina santos degollado y le San Luis Potosi 132854 Sirlone carr. mexico San Luis Potosi 132856 Unicols Pizza Plaza del Carmen San Luis Potosi 132858 Hamburguesas Valle Dorado Av. Coral San Luis Potosi 132861 Carls Jr Av. V. Carranza San Luis Potosi 132862 La Posada del Virrey Av. V. Carranza San Luis Potosi 132870 Tortas y hamburguesas el gc Ricardo B. Anaya San Luis Potosi 132885 Hamburguesas saul Av. Saan Luis enttre moctezur San Luis Potosi 132937 rockabilly agustin de iturbide san luis potosi 132954 la parroquia venustiano carranza san luis potosi 132955 emilianos venustiano carranza San Luis Potosi 134983 Restaurant and Bar and Clot Domingo 10 711 El Empleado Cuernavaca 134986 Restaurant Las Mananitas Ricardo Linares 107 Cuernavaca 134999 Kiku Cuernavaca Revolucion Cuernavaca 135018 EI Oceano Dorado Libramiento Burgos Colonia Li Cuernavaca 135025 El Rincon de San Francisco 1a. de Lozada 1 San Luis Potosi 135026 la Cantina Capitan Caldera No 420 Teal San Luis Potosi mexico Mexico Mexico Mexico Mexico informal informal informal informal informal informal none low Alcohol No_Alcohol_Served No_Alcohol_Served No_Alcohol_Served No_Alcohol_Served No_Alcohol_Served No_Alcohol_Served Wine-Beer Wine-Beer No_Alcohol_Served Wine-Beer No_Alcohol_Served Wine-Beer Wine-Beer No_Alcohol_Served No_Alcohol_Served Wine-Beer No_Alcohol_Served No_Alcohol_Served Full_Bar No_Alcohol_Served Wine-Beer Full_Bar Wine-Beer No_Alcohol_Served Full_Bar No_Alcohol_Served Full Bar Ambience quiet familiar familiar familiar familiar familiar familiar familiar familiar familiar familiar familiar familiar familiar familiar familiar familiar familiar quiet familiar familiar familiar familiar familiar familiar familiar familiar 15 none low 16 not permitted 17 none casual Mexico Mexico 18 not permitted none 19 mexico 20 mexico section not permitted 21 Mexico Mexico Mexico 22 medium high low low low medium low high high medium medium medium none 23 informal informal informal informal informal informal formal informal informal informal informal section 24 Mexico none 25 Morelos Mexico none 26 permitted Morelos SLP Mexico Mexico 27 none 28 SIP Mexico none hiah