CREATE TABLE table_204_898 (id NUMBER, "seed" CLOB, "school" CLOB, "conf  ( overall ) " CLOB, "tiebreaker" CLOB)

how many seeds above villanova is marquette ?
SELECT (SELECT "seed" FROM table_204_898 WHERE "school" = 'villanova') - (SELECT "seed" FROM table_204_898 WHERE "school" = 'marquette')
SELECT (SELECT "seed" FROM "table_204_898" WHERE "school" = 'villanova') - (SELECT "seed" FROM "table_204_898" WHERE "school" = 'marquette')