how many seeds above villanova is marquette ?
CREATE TABLE table_204_898 (
    id number,
    "seed" text,
    "school" text,
    "conf (overall)" text,
    "tiebreaker" text
)
SELECT (SELECT "seed" FROM table_204_898 WHERE "school" = 'villanova') - (SELECT "seed" FROM table_204_898 WHERE "school" = 'marquette')
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: how many seeds above villanova is marquette ? ### Input: CREATE TABLE table_204_898 (
    id number,
    "seed" text,
    "school" text,
    "conf (overall)" text,
    "tiebreaker" text
) ### Response: SELECT (SELECT "seed" FROM table_204_898 WHERE "school" = 'villanova') - (SELECT "seed" FROM table_204_898 WHERE "school" = 'marquette')