What is <ResearchGate person ID> of <James Hansen> ?
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What is the person is use researchgate of James Hanson
SELECT DISTINCT ?a WHERE { resource:James_Edward_Hansen property:ResearchGate_profile_ID ?a }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q724095> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P2038> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer. }
select distinct ?answer where { wd:Q724095 wdt:P2038 ?answer}