Who is the play-by-play when nbc is the network and darren pang is the ice level reporters?
CREATE TABLE "american_television" (
  "year" text,
  "network" text,
  "play_by_play" text,
  "color_commentator_s" text,
  "ice_level_reporters" text,
  "studio_host" text,
  "studio_analysts" text
);
SELECT "play_by_play" FROM "american_television" WHERE "network"='NBC' AND "ice_level_reporters"='Darren Pang';