How many engines are there for model 97H00?
CREATE TABLE table_20866024_4 (engine VARCHAR, model_designation VARCHAR)
SELECT COUNT(engine) FROM table_20866024_4 WHERE model_designation = "97H00"
### Context: CREATE TABLE table_20866024_4 (engine VARCHAR, model_designation VARCHAR) ### Question: How many engines are there for model 97H00? ### Answer: SELECT COUNT(engine) FROM table_20866024_4 WHERE model_designation = "97H00"