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

### Instruction:
Which tournament had a result in 2010 and 2012 of a?

### Inputs:
table_name: table, columns: ['Tournament', '2009', '2010', '2011', '2012']

### Response:
SELECT Tournament FROM table WHERE 2012 = a AND 2010 = a