What is <input set> of <sequence> ?
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What is load set of the order?
SELECT DISTINCT ?b WHERE { ?b property:input_set resource:sequence }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject>  ?answer. ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1851> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q133250>. }
select distinct ?answer where { ?answer wdt:P1851 wd:Q133250}