What was the latest year that Colin Berry was the spokesperson? 
CREATE TABLE "commentators_and_spokespersons" (
  "year_s" real,
  "final_television_commentator" text,
  "radio_commentator" text,
  "spokesperson" text,
  "semi_final_television_commentator" text,
  "semi_final_second_television_commentator" text
);
SELECT MAX("year_s") FROM "commentators_and_spokespersons" WHERE "spokesperson"='Colin Berry';