What is {is the opposite of} of {blueshift}, that has {symbol} is {z} ?
What is the opposite of blueshift, that is represented by the variable z?
SELECT ?answer WHERE { wd:Q845345 wdt:P461 ?answer . ?answer wdt:P416 ?x FILTER(contains(?x,'z'))}
SELECT ?answer WHERE { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q845345> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P461>. ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?answer. ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P416> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <z> . }
What's the opposite of blueshift, which is the z variable?