user: Question: What is the home team of the game where the Grizzlies were the visitor team and Rudy Gay (21) was the leading scorer?
Columns: ['Date', 'Visitor', 'Score', 'Home', 'Leading scorer', 'Record']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['2 February 2008', 'Jazz', '110–91', 'Grizzlies', 'Rudy Gay (15)', '13–34']
SQL:

assistant: SELECT "Home" FROM "Table" WHERE "Visitor" = 'Grizzlies' AND "Leading scorer" = 'Rudy Gay (21)';