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

### Instruction:
what is the event when 2011-12 is n/a?

### Inputs:
table_name: table, columns: ['Event', '2006–07', '2009–10', '2010–11', '2011–12', '2012–13']

### Response:
SELECT Event FROM table WHERE 2011–12 = n/a