CREATE TABLE table_name_58 (established VARCHAR, league VARCHAR, championships VARCHAR)

What is the Established date of the Ontario Provincial Junior A Hockey League with more than 1 Championship?
SELECT COUNT(established) FROM table_name_58 WHERE league = "ontario provincial junior a hockey" AND championships > 1
SELECT COUNT("established") FROM "table_name_58" WHERE "championships" > 1 AND "league" = "ontario provincial junior a hockey"