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

### Instruction:
Name the number of year for score being  6–3, 6–2, 6–4

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

### Response:
SELECT COUNT Year FROM table WHERE Score in the final = 6–3, 6–2, 6–4