Table: dragon_ball_z_characters_2
Columns: character_name
voice_actor_japanese
voice_actor_english_1997_saban
voice_actor_english_1998_pioneer
voice_actor_english_2006_funimation

Question: what voice acter played tien
SQL: SELECT "voice_actor_japanese" FROM dragon_ball_z_characters_2 WHERE "character_name" = 'tien'

Question: what character did Laara sadiq play
SQL: SELECT "character_name" FROM dragon_ball_z_characters_2 WHERE "voice_actor_english_1998_pioneer" = 'laara sadiq'

Question: what character did Masaharu satou play
SQL: SELECT "character_name" FROM dragon_ball_z_characters_2 WHERE "voice_actor_japanese" = 'masaharu satou'

Question: what character did dave ward play
SQL: SELECT "voice_actor_english_1998_pioneer" FROM dragon_ball_z_characters_2 WHERE "voice_actor_english_1997_saban" = 'dave ward'

Question: what character did naoko watanabe play
SQL: SELECT "character_name" FROM dragon_ball_z_characters_2 WHERE "voice_actor_japanese" = 'naoko watanabe'