did jeff gordon or jeremy mayfield record the highest average speed ?
CREATE TABLE table_204_604 (
    id number,
    "year" number,
    "date" text,
    "driver" text,
    "team" text,
    "manufacturer" text,
    "race distance\nlaps" number,
    "race distance\nmiles (km)" text,
    "race time" text,
    "average speed\n(mph)" number,
    "report" text
)
SELECT "driver" FROM table_204_604 WHERE "driver" IN ('jeff gordon', 'jeremy mayfield') ORDER BY "average speed\n(mph)" DESC LIMIT 1
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: did jeff gordon or jeremy mayfield record the highest average speed ? ### Input: CREATE TABLE table_204_604 (
    id number,
    "year" number,
    "date" text,
    "driver" text,
    "team" text,
    "manufacturer" text,
    "race distance\nlaps" number,
    "race distance\nmiles (km)" text,
    "race time" text,
    "average speed\n(mph)" number,
    "report" text
) ### Response: SELECT "driver" FROM table_204_604 WHERE "driver" IN ('jeff gordon', 'jeremy mayfield') ORDER BY "average speed\n(mph)" DESC LIMIT 1