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

### Instruction:
What is the lowest attendance for a stadium that has an average smaller than 307?

### Inputs:
table_name: table, columns: ['Team', 'Stadium', 'Capacity', 'Highest', 'Lowest', 'Average']

### Response:
SELECT AVG Lowest FROM table WHERE Average < 307