What was the compression ration when the engine was Wasp Jr. T1B2?
CREATE TABLE table_16547 (
    "Engine" text,
    "Power, continuous" text,
    "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." text,
    "Power, takeoff" text,
    "Compression ratio" text,
    "Supercharger gear ratio" text,
    "Octane rating" text,
    "Dry weight" text
)
SELECT "Compression ratio" FROM table_16547 WHERE "Engine" = 'Wasp Jr. T1B2'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What was the compression ration when the engine was Wasp Jr. T1B2? ### Input: CREATE TABLE table_16547 (
    "Engine" text,
    "Power, continuous" text,
    "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." text,
    "Power, takeoff" text,
    "Compression ratio" text,
    "Supercharger gear ratio" text,
    "Octane rating" text,
    "Dry weight" text
) ### Response: SELECT "Compression ratio" FROM table_16547 WHERE "Engine" = 'Wasp Jr. T1B2'