CREATE TABLE table_name_66 (network VARCHAR, play_by_play VARCHAR, year VARCHAR)

What is the network with the play-by-play Marv Albert before 1994?
SELECT network FROM table_name_66 WHERE play_by_play = "marv albert" AND year < 1994
SELECT "network" FROM "table_name_66" WHERE "marv albert" = "play_by_play" AND "year" < 1994