VLOOKUP, XLOOKUP$),$ what function can be used in cell E$5$ to find the unit sales of the person selected in cell E$4?($You should assume that the range A$1$:B$20$ has been named performance.$)$

$\backslash$table$[[$H$,$A$,$B$,$C$,$D$,$E$],[1,$Sallesperson,$\backslash$table$[[$Lawn$],[$Treatments$],[$Sold$]],,,],[2,$John,$65,,,],[3,$Jake,$65,,,],[4,$Jill,$110,,$Name,Harry$],[5,$Eric,$74,,$Units Sold,$],[6,$Alex,$68,,,],[7,$Alan,$100,,,],[8,$Derek,$81,,,],[9,$Hal,$93,,,],[10,$Harry,$54,,,],[11,$Jan,$92,,,],[12,$Carol,$86,,,],[13,$Vivian,$79,,,],[14,$Jennifer,$94,,,],[15,$Gregory,$58,,,],[16,$Dan,$52,,,],[171,$Max,$84,,,],[18,$Bob,$64,,,],[19,$Jeff,$51,,,],[20,$Wanda,$73,,,],[21,($ty$,,,,]]$

$=$ INDEX $(B1$:$B20,$MATCH$(E4,A2$:$A20,0))$