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

### Instruction:
What year was the Guard who currently plays for the Memphis Grizzlies born?

### Inputs:
table_name: table, columns: ['Player', 'Height', 'Position', 'Year born', 'Current Club']

### Response:
SELECT Year born FROM table WHERE Position = guard AND Current Club = memphis grizzlies