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

### Instruction:
What season was played at Safeco Field, against the Boston Red Sox, with a decision of L?

### Inputs:
table_name: table, columns: ['Season', 'Pitcher', 'Decision', 'Opponent', 'Location']

### Response:
SELECT Season FROM table WHERE Location = safeco field AND Decision = l AND Opponent = boston red sox