What type of engine does the model with model designation 97100 have?
CREATE TABLE table_20866024_3 (
    engine VARCHAR,
    model_designation VARCHAR
)
SELECT engine FROM table_20866024_3 WHERE model_designation = "97100"
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 type of engine does the model with model designation 97100 have? ### Input: CREATE TABLE table_20866024_3 (
    engine VARCHAR,
    model_designation VARCHAR
) ### Response: SELECT engine FROM table_20866024_3 WHERE model_designation = "97100"