What is {member count} of {Democratic Party} that is {based on heuristic} is {party identification} ?
Give me the number of people self-identify as Democrats?
How many people self-identify as Democrats?
SELECT ?u WHERE { ?q property:based_on_heuristic resource:party_identification . resource:Democratic_Party property:member_count ?q . ?q property:member_count ?u }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q29552> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P2124> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P887> <http://wikidata.dbpedia.org/resource/Q7141040>
} 

SELECT ?obj WHERE { wd:Q29552 p:P2124 ?s . ?s ps:P2124 ?obj . ?s pq:P887 wd:Q7141040 }