CREATE TABLE table_203_593 (id NUMBER, "tenure" CLOB, "coach" CLOB, "years" NUMBER, "record" CLOB, "pct." NUMBER, "ncaa tournament" NUMBER)

which head coach had the most losses ?
SELECT "coach" FROM table_203_593 ORDER BY "record" DESC LIMIT 1
SELECT "coach" FROM "table_203_593" ORDER BY "record" DESC FETCH FIRST 1 ROWS ONLY