What is the network with the play-by-play Marv Albert before 1994?
CREATE TABLE "1990s" (
  "year" real,
  "network" text,
  "play_by_play" text,
  "color_commentator_s" text,
  "ice_level_reporters" text
);
SELECT "network" FROM "1990s" WHERE "play_by_play"='marv albert' AND "year"<1994;