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

### Instruction:
What is the total heat number of sun yang, who has a lane less than 2?

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

### Response:
SELECT COUNT Heat FROM table WHERE Name = sun yang AND Lane < 2