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

### Instruction:
What's the heat in the lane less than 3 with a time of 14:48.39?

### Inputs:
table_name: table, columns: ['Heat', 'Lane', 'Name', 'Nationality', 'Time']

### Response:
SELECT AVG Heat FROM table WHERE Lane < 3 AND Time = 14:48.39