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

### Instruction:
What 100 yard Backstroke has a 100 yard Freestyle of helen yee (sierra vista)?

### Inputs:
table_name: table, columns: ['Combined', '50 yard Freestyle', '100 yard Freestyle', '200 yard Freestyle', '500 yard Freestyle', '100 yard Backstroke', '100 yard Butterfly']

### Response:
SELECT 100 yard Backstroke FROM table WHERE 100 yard Freestyle = helen yee (sierra vista)