-- Database schema
| Episode : episode_id [ TEXT ] primary_key , season [ INTEGER ] , episode [ INTEGER ] , number_in_series [ INTEGER ] , title [ TEXT ] , summary [ TEXT ] , air_date [ TEXT ] , episode_image [ TEXT ] , rating [ REAL ] , votes [ INTEGER ] | Person : name [ TEXT ] primary_key , birthdate [ TEXT ] , birth_name [ TEXT ] , birth_place [ TEXT ] , birth_region [ TEXT ] , birth_country [ TEXT ] , height_meters [ REAL ] , nickname [ TEXT ] | Award : award_id [ INTEGER ] primary_key , organization [ TEXT ] , year [ INTEGER ] , award_category [ TEXT ] , award [ TEXT ] , person [ TEXT ] Award.person = Person.name , role [ TEXT ] , episode_id [ TEXT ] Award.episode_id = Episode.episode_id , season [ TEXT ] , song [ TEXT ] , result [ TEXT ] | Character_Award : award_id [ INTEGER ] Character_Award.award_id = Award.award_id , character [ TEXT ] | Credit : episode_id [ TEXT ] Credit.episode_id = Episode.episode_id , category [ TEXT ] , person [ TEXT ] Credit.person = Person.name , role [ TEXT ] , credited [ TEXT ] | Keyword : episode_id [ TEXT ] Keyword.episode_id = Episode.episode_id , keyword [ TEXT ] | Vote : episode_id [ TEXT ] Vote.episode_id = Episode.episode_id , stars [ INTEGER ] , votes [ INTEGER ] , percent [ REAL ] |
-- -- Among the people in Animation Department, who are credited for additional time in the episode titled by "How the Test Was Won"?

SELECT T2.person FROM Episode AS T1 INNER JOIN Credit AS T2 ON T1.episode_id = T2.episode_id WHERE T1.title = 'How the Test Was Won' AND T2.role = 'additional timer' AND T2.credited = 'true' AND T2.category = 'Animation Department';