Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What is the home team of the game where the Grizzlies were the visitor team and Rudy Gay (21) was the leading scorer?

### Inputs:
table_name: table, columns: ['Date', 'Visitor', 'Score', 'Home', 'Leading scorer', 'Record']

### Response:
SELECT Home FROM table WHERE Visitor = grizzlies AND Leading scorer = rudy gay (21)