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

### Instruction:
When the engine is Wasp Jr. T1B2, what is the number needed for takeoff power?

### Inputs:
table_name: table, columns: ['Engine', 'Power, continuous', 'Critical altitude This is the highest altitude at which the engine can achieve its full continuous power rating. Above this altitude, power falls off with height as with a naturally aspirated engine . See Supercharger#Altitude effects for details.', 'Power, takeoff', 'Compression ratio', 'Supercharger gear ratio', 'Octane rating', 'Dry weight']

### Response:
SELECT COUNT Power, takeoff FROM table WHERE Engine = Wasp Jr. T1B2