Question: Who are the characters present in the video game series Sonic the Hedgehog?
Paraphrase: Who are the characters in the Sonic the Hedgehog video game series?
SPARQL (Wikidata):  select distinct ?sbj where { ?sbj wdt:P1441 wd:Q1046812 . ?sbj wdt:P31 wd:Q1569167 } 
Answer: Sonic the Hedgehog, Shadow the Hedgehog, Doctor Eggman, Rouge the Bat, Silver the Hedgehog, Big the Cat, E-101 Beta, E-102 Gamma, E-105 Zeta, E-103 Delta, E-104 Epsilon, Eggrobo, Emerl, Metal Knuckles, Tails Doll, Princess Sally Acorn, Chao Chocola, Froggy, Pachacamac the Echidna, Wave the Swallow, Eggman Nega, Badnik