CREATE TABLE table_203_577 (id DECIMAL, "tenure" TEXT, "coach" TEXT, "years" DECIMAL, "record" TEXT, "pct." DECIMAL)

who was coach before tilden campbell ?
SELECT "coach" FROM table_203_577 WHERE id = (SELECT id FROM table_203_577 WHERE "coach" = 'tilden campbell') - 1
SELECT "coach" FROM "table_203_577" WHERE "id" = (SELECT "id" FROM "table_203_577" WHERE "coach" = 'tilden campbell') - 1