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

### Instruction:
When Tom Watson (5/6) won the Senior British Open who won the Senior PGA Championship?

### Inputs:
table_name: table, columns: ['Year', 'Senior PGA Championship', 'The Tradition', 'Senior Players Championship', 'U.S. Senior Open', 'Senior British Open']

### Response:
SELECT Senior PGA Championship FROM table WHERE Senior British Open = tom watson (5/6)