CREATE TABLE table_1123802_1 (compression_ratio VARCHAR2, engine VARCHAR2)

What was the compression ration when the engine was Wasp Jr. T1B2?
SELECT compression_ratio FROM table_1123802_1 WHERE engine = "Wasp Jr. T1B2"
SELECT "compression_ratio" FROM "table_1123802_1" WHERE "Wasp Jr. T1B2" = "engine"