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

### Instruction:
Who won the women's singles before 1958 when dave f. mctaggart won the men's singles?

### Inputs:
table_name: table, columns: ['Year', "Men's singles", "Women's singles", "Men's doubles", "Women's doubles", 'Mixed doubles']

### Response:
SELECT Women's singles FROM table WHERE Men's singles = dave f. mctaggart AND Year < 1958