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

### Instruction:
Name the most maidens when e.r. 5.11

### Inputs:
table_name: table, columns: ['Name', 'Overs Bowled', 'Maidens', 'Runs Conceded', 'Wickets', 'Extras', 'E.R.']

### Response:
SELECT MAX Maidens FROM table WHERE E.R. = 5.11