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

### Instruction:
What is the earliest year a Chairman who took office after 2011 is up for reelection?

### Inputs:
table_name: table, columns: ['Name', 'Position', 'Party', 'Took office', 'Up for reelection']

### Response:
SELECT MIN Up for reelection FROM table WHERE Took office > 2011 AND Position = chairman