Who did the play-by-play when the pregame host was Brian Williams and the sideline reporters were Steve Armitage and Brenda Irving?
CREATE TABLE "2000s" (
  "year" real,
  "network" text,
  "play_by_play" text,
  "colour_commentator_s" text,
  "sideline_reporters" text,
  "pregame_host" text,
  "pregame_analysts" text
);
SELECT "play_by_play" FROM "2000s" WHERE "pregame_host"='Brian Williams' AND "sideline_reporters"='Steve Armitage and Brenda Irving';