What is the name of the location of the game with a Result of 21–16?
CREATE TABLE "1970s_jets_12_8" (
  "year" real,
  "date" text,
  "winner" text,
  "result" text,
  "loser" text,
  "location" text
);
SELECT "location" FROM "1970s_jets_12_8" WHERE "result"='21–16';