Who was the dual television commentator in 1990?
CREATE TABLE "commentators_and_spokespersons" (
  "year_s" real,
  "television_commentator" text,
  "dual_television_commentator" text,
  "radio_commentator" text,
  "spokesperson" text
);
SELECT "dual_television_commentator" FROM "commentators_and_spokespersons" WHERE "year_s"=1990;