What are the classes for the circuit that has the Mazda Raceway Laguna Seca race.
CREATE TABLE table_74921 (
    "Race" text,
    "Class(es)" text,
    "Length/Duration" text,
    "Circuit" text,
    "Date" text
)
SELECT "Class(es)" FROM table_74921 WHERE "Circuit" = 'mazda raceway laguna seca'
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 are the classes for the circuit that has the Mazda Raceway Laguna Seca race. ### Input: CREATE TABLE table_74921 (
    "Race" text,
    "Class(es)" text,
    "Length/Duration" text,
    "Circuit" text,
    "Date" text
) ### Response: SELECT "Class(es)" FROM table_74921 WHERE "Circuit" = 'mazda raceway laguna seca'