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

### Instruction:
How many lanes had a rank smaller than 4 and a time of 2:01.51?

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

### Response:
SELECT COUNT Lane FROM table WHERE Time = 2:01.51 AND Rank < 4