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

### Instruction:
How many times has the score been 6–4, 3–6, [11–13]?

### Inputs:
table_name: table, columns: ['Outcome', 'Year', 'Championship', 'Surface', 'Partner', 'Opponent', 'Score']

### Response:
SELECT COUNT Opponent FROM table WHERE Score = 6–4, 3–6, [11–13]