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

### Instruction:
At what age did Roy Emerson complete the Grand Slam?

### Inputs:
table_name: table, columns: ['#', 'Player', 'Age', 'Australian Open', 'French Open', 'Wimbledon', 'US Open']

### Response:
SELECT MAX Age FROM table WHERE Player = Roy Emerson