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

### Instruction:
What is Craig Whelihan's average when his yards are smaller than 0?

### Inputs:
table_name: table, columns: ['Player', 'Car.', 'Yards', 'Avg.', "TD's", 'Long']

### Response:
SELECT SUM Avg. FROM table WHERE Player = craig whelihan AND Yards < 0