How many {superhuman feature or ability} are to/by {time travel} ?
Tell me the number of superhuman feature or ability in time travel?
SELECT (COUNT(?sub) AS ?value ) { ?sub wdt:P2563 wd:Q182154 }
SELECT (COUNT(?sub) AS ?subs ) {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?sub .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P2563> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> http://wikidata.dbpedia.org/resource/Q182154 .
} 

Which is the number of superhuman features or abilities in time travel?