CREATE TABLE table_203_591 (id NUMBER, "high school" CLOB, "join\ year" CLOB, "from" CLOB, "left" CLOB, "league left to" CLOB)

how many schools left in 1960 ?
SELECT COUNT("high school") FROM table_203_591 WHERE "left" = 1960
SELECT COUNT("high school") FROM "table_203_591" WHERE "left" = 1960