CREATE TABLE table_203_577 (id NUMBER, "tenure" CLOB, "coach" CLOB, "years" NUMBER, "record" CLOB, "pct." NUMBER)

how long was thomas stouch coach ?
SELECT "years" FROM table_203_577 WHERE "coach" = 'thomas stouch'
SELECT "years" FROM "table_203_577" WHERE "coach" = 'thomas stouch'