CREATE TABLE table_32304 ("Round" FLOAT, "Overall" FLOAT, "Player" CLOB, "Position" CLOB, "College" CLOB)

Which average overall has a Round of 1, and a Position of center?
SELECT AVG("Overall") FROM table_32304 WHERE "Round" = '1' AND "Position" = 'center'
SELECT AVG("Overall") FROM "table_32304" WHERE "Position" = 'center' AND "Round" = '1'