What is the attendance sum of the game on March 16, 1990 with a loss record?
CREATE TABLE "game_log" (
  "date" text,
  "at_vs" text,
  "opponent" text,
  "score" text,
  "attendance" real,
  "record" text
);
SELECT SUM("attendance") FROM "game_log" WHERE "record"='loss' AND "date"='march 16, 1990';