Question: When 1 is the number what episodes were used?
SQL: SELECT "Episodes used" FROM "1-2144389-9" WHERE "#" = 1.0;

Question: When 七色アーチ is the japanese title what is the japanese translation?
SQL: SELECT "Japanese translation" FROM "1-2144389-9" WHERE "Japanese title" = '七色アーチ';

Question: When 5 is the number what is the japanese title?
SQL: SELECT "Japanese title" FROM "1-2144389-9" WHERE "#" = 5.0;

Question: When Momoiro Clover Z is the vocalist how many japanese titles are there?
SQL: SELECT COUNT("Japanese title") FROM "1-2144389-9" WHERE "Vocalist" = 'Momoiro Clover Z';

Question: When Momoiro Clover Z is the vocalist what is the japanese translation?
SQL: SELECT "Japanese translation" FROM "1-2144389-9" WHERE "Vocalist" = 'Momoiro Clover Z';

Question: When  Pokémon ieru kana? BW is the romaji who is the vocalist?
SQL: SELECT "Vocalist" FROM "1-2144389-9" WHERE "Rōmaji" = 'Pokémon ieru kana? BW';