What Ranking has Gold less than 20 and the Event 1976 Toronto?
CREATE TABLE "summer_paralympics" (
  "event" text,
  "gold" real,
  "silver" real,
  "bronze" real,
  "total" real,
  "ranking" text
);
SELECT "ranking" FROM "summer_paralympics" WHERE "gold"<20 AND "event"='1976 toronto';