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

### Instruction:
Which average purse was earned by Erika Wicoff and has a winner's share greater than $9,750?

### Inputs:
table_name: table, columns: ['Year', 'Champion', 'Country', 'Score', 'Purse ($)', "Winner's share ($)"]

### Response:
SELECT AVG Purse ($) FROM table WHERE Champion = erika wicoff AND Winner's share ($) > 9,750