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

### Instruction:
Which average 50m split had a 150m split of 1:40.00, with a placing of less than 2?

### Inputs:
table_name: table, columns: ['Place', 'Lane', 'Name', 'Nationality', '50m Split', '100m Split', '150m Split', 'Time']

### Response:
SELECT AVG 50m Split FROM table WHERE 150m Split = 1:40.00 AND Place < 2