what is the location when the year is after 1974 and the date is september 19?
CREATE TABLE "1970s_eagles_15_4_1" (
  "year" real,
  "date" text,
  "winner" text,
  "result" text,
  "location" text
);
SELECT "location" FROM "1970s_eagles_15_4_1" WHERE "year">1974 AND "date"='september 19';