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

### Instruction:
what's the total number of singles w-l with doubles w-l of 0–0 and total w-l of 3–1

### Inputs:
table_name: table, columns: ['Player', 'Years Played', 'Total W-L', 'Singles W-L', 'Doubles W-L']

### Response:
SELECT COUNT Singles W-L FROM table WHERE Doubles W-L = 0–0 AND Total W-L = 3–1