query: SELECT
    ?item
    ?area
    ?areaType
    ?electionDate
    ?startDate
    ?endDate
    ?partOf
    ?representing
    ?parlGroup
    (sample(?givenName) as ?givenName)
    (sample(?familyName) as ?familyName)
    (group_concat(?fbPage) as ?fbPages)
  WHERE {
    ?item p:P1344 ?statement .
    
    ?statement ps:P1344 wd:Q23558762 .
    
    ?statement ps:P1344 ?election .
    
    optional { ?statement pq:P768 ?area .
             ?area wdt:P31 ?areaType }
    optional { ?item wdt:P2013 ?fbPage }
    optional { ?item wdt:P735 ?givenName }
    optional { ?item wdt:P734 ?familyName }
    optional { ?statement pq:P2715 ?election .
               ?election wdt:P585 ?electionDate }
    optional { ?statement pq:P1268 ?representing }
    optional { ?statement pq:P361 ?partOf }
    optional { ?statement pq:P4100 ?parlGroup }
    optional { ?statement pq:P580 ?startDate }
    optional { ?statement pq:P582 ?endDate }
  }
  GROUP BY ?item ?position ?area ?areaType ?electionDate ?startDate ?endDate ?partOf ?representing ?parlGroup