Problem Set I. Given the following database that stores Hollywood movie information Movies (title, year, length, genre, studioName, ProducerName) StarsIn (movie Title, starName, pay) MovieStar (name, address, gender, birthdate MovieExecutive(name, address, certificate_num, networth) where the underlined attributes are the primary keys. The following foreign keys also exist: Starsln.starName MovieStar.name Starsln.movie Title Movies.title Movies.ProducerName MovieExecutive.name Write the following queries in SQL 7. Print the names of producers who produced exactly ONE movie in 2009; 8. Who is the second richest movie executive? 9. Return the names of those who worked in the same movie as both a movie star and a producer