Question: Who won the silver medal when the bronze was won by Yang Yilin?
SPARQL query: SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/bronzeMedalist> <http://dbpedia.org/resource/Yang_Yilin> . ?x <http://dbpedia.org/ontology/silverMedalist> ?uri  . }
Answer: The siler medalists of the game where the bronze medalist was Yang Yilin are [Shawn Johnson, Nastia Liukin].