Question: What is the Established date of the ontario provincial junior a hockey League with more than 1 Championship?
SQL: SELECT COUNT("Established") FROM "2-14288-9" WHERE "League" = 'ontario provincial junior a hockey' AND "Championships" > 1.0;

Question: What Venue has more than 1 Championship and was Established after 1957?
SQL: SELECT "Venue" FROM "2-14288-9" WHERE "Championships" = 1.0 AND "Established" > 1957.0;

Question: With less than 1 Championship, what es the Established date of the Niagara Rugby Union League?
SQL: SELECT SUM("Established") FROM "2-14288-9" WHERE "Championships" < 1.0 AND "League" = 'Niagara Rugby Union';

Question: What is the Established date of the brian timmis stadium?
SQL: SELECT COUNT("Established") FROM "2-14288-9" WHERE "Venue" = 'brian timmis stadium';