CREATE TABLE table_name_87 (japanese_voice_actor VARCHAR, battle_of_the_planets VARCHAR)

Who is the Japanese voice actor of the Battle of the Planets of Keyop?
SELECT japanese_voice_actor FROM table_name_87 WHERE battle_of_the_planets = "keyop"
SELECT "japanese_voice_actor" FROM "table_name_87" WHERE "battle_of_the_planets" = "keyop"