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

### Instruction:
What is the heat number at 7.63, and a reaction less than 0.229?

### Inputs:
table_name: table, columns: ['Heat', 'Lane', 'Name', 'Country', 'Mark', 'React']

### Response:
SELECT COUNT Heat FROM table WHERE Mark = 7.63 AND React < 0.229