Table: schoolhouse_rock_episodes
Columns: episode_title
subject
music_by
lyrics_by
performed_by
first_aired

Question: When conjunction junction is the episode title and the music is by bob dorough who is the performer?
SQL: SELECT "performed_by" FROM schoolhouse_rock_episodes WHERE "music_by" = 'Bob Dorough' AND "episode_title" = 'Conjunction Junction'

Question: When interjection is the subject how many performers are there?
SQL: SELECT COUNT("performed_by") FROM schoolhouse_rock_episodes WHERE "subject" = 'interjection'

Question: When pronoun is the subject what is the episode title?
SQL: SELECT "episode_title" FROM schoolhouse_rock_episodes WHERE "subject" = 'pronoun'

Question: When interjection is the subject who are the lyrics by?
SQL: SELECT "lyrics_by" FROM schoolhouse_rock_episodes WHERE "subject" = 'interjection'

Question: When zachary sanders is the performer how many first aired are there?
SQL: SELECT COUNT("first_aired") FROM schoolhouse_rock_episodes WHERE "performed_by" = 'Zachary Sanders'

Question: When zachary sanders is the performer how many people is the music by?
SQL: SELECT COUNT("music_by") FROM schoolhouse_rock_episodes WHERE "performed_by" = 'Zachary Sanders'