What is the length of the Laguna Seca Raceway circuit with a class of gtu?
CREATE TABLE table_5127 (
    "Race" text,
    "Length" text,
    "Class" text,
    "Circuit" text,
    "Date" text
)
SELECT "Length" FROM table_5127 WHERE "Circuit" = 'laguna seca raceway' AND "Class" = 'gtu'
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 is the length of the Laguna Seca Raceway circuit with a class of gtu? ### Input: CREATE TABLE table_5127 (
    "Race" text,
    "Length" text,
    "Class" text,
    "Circuit" text,
    "Date" text
) ### Response: SELECT "Length" FROM table_5127 WHERE "Circuit" = 'laguna seca raceway' AND "Class" = 'gtu'