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

### Instruction:
What Social AO has a President of harm van leeuwen?

### Inputs:
table_name: table, columns: ['President', 'Treasurer', 'Secretary', 'Social AO', 'Academic AO', 'Internal CO', 'External CO']

### Response:
SELECT Social AO FROM table WHERE President = harm van leeuwen