-- 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 ] |
-- -- What are the top five most popular episodes?

SELECT episode_id FROM Episode ORDER BY votes DESC LIMIT 5;