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

### Instruction:
What is every value for approximate duration when event details is women's foil?

### Inputs:
table_name: table, columns: ['Event Date', 'Event Day', 'Approx. Duration', 'Starting Time', 'Event Details']

### Response:
SELECT Approx. Duration FROM table WHERE Event Details = Women's Foil