Question: When Interplanet Janet is the episode title who is the music by?
SQL: SELECT "Music by" FROM "1-191105-3" WHERE "Episode title" = 'Interplanet Janet';

Question: WHen Jaime Aff and Christine Langner are the performers what is the subject?
SQL: SELECT "Subject" FROM "1-191105-3" WHERE "Performed by" = 'Jaime Aff and Christine Langner';

Question: If Skeletal system is the subject when was it first aired?
SQL: SELECT "First aired" FROM "1-191105-3" WHERE "Subject" = 'Skeletal system';

Question: When Zachary Sanders is the performer what is the lowerst first aired?
SQL: SELECT MIN("First aired") FROM "1-191105-3" WHERE "Performed by" = 'Zachary Sanders';