Name a super effective move the Attacking Pokémon could use against the defending Pokémon based on the EARLIEST GENERATION THEY COULD HAVE FOUGHT IN.
Example: Starmie is attacking Steelix, you could use any Gen 1 or 2 move Starmie learns that is super effective against Steelix, as Starmie is from Gen 1 and Steelix is from Gen 2.
Excluding Hidden Power.