SELECT pokemons.name, primary_type, secondary_type types.name,
FROM pokemon.pokemons JOIN pokemon.pokemon_trainer
JOIN pokemon.types JOIN pokemon.trainers
WHERE primary_type;

SELECT pokemons.name, prime.name, second.name
FROM pokemon.pokemons
JOIN pokemon.types prime ON (prime.id = pokemons.primary_type)
JOIN pokemon.types second ON (pokemons.secondary_type = second.id)
#WHERE primary_type = types.id;