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

### Instruction:
Tell me the affiliation for pick number less than 59 and position of gk

### Inputs:
table_name: table, columns: ['Pick #', 'MLS Team', 'Player', 'Position', 'Affiliation']

### Response:
SELECT Affiliation FROM table WHERE Pick # < 59 AND Position = gk