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

### Instruction:
What date has yani tseng as the runner (s)-up?

### Inputs:
table_name: table, columns: ['Date', 'Tournament', 'Winning score', 'Margin of victory', 'Runner(s)-up']

### Response:
SELECT Date FROM table WHERE Runner(s)-up = yani tseng