cast = (download "https://api.sampleapis.com/futurama/cast")
characters = (download "https://api.sampleapis.com/futurama/characters")	
episodes = (download "https://api.sampleapis.com/futurama/episodes")

cast_len = (length (from_json cast))
characters_len = (length (from_json characters))
episodes_len = (length (from_json episodes))

(output [cast_len, characters_len, episodes_len])