query: # members of the 1979-83 Parliament -635 seats.
  ## MPs who have more than one of the standard qualifiers on a membership item
  SELECT DISTINCT ?item ?itemLabel 
  {
   ?item p:P39 ?positionStatement .
   ?positionStatement ps:P39 wd:Q41582619 . 
         { ?positionStatement pq:P768 ?constituency, ?constituency2 .  
           FILTER ( ?constituency != ?constituency2 ) . }
   UNION { ?positionStatement pq:P4100 ?party, ?party2 .  
           FILTER ( ?party != ?party2 ) . }
   UNION { ?positionStatement pq:P2715 ?election, ?election2 .  
           FILTER ( ?election != ?election2 ) . }
   UNION { ?positionStatement pq:P582 ?end, ?end2 .  
           FILTER ( ?end != ?end2 ) . }
   UNION { ?positionStatement pq:P580 ?start, ?start2 .  
           FILTER ( ?start != ?start2 ) . }
   UNION { ?positionStatement pq:P1534 ?cause, ?cause2 .  
           FILTER ( ?cause != ?cause2 ) . }
   SERVICE wikibase:label { bd:serviceParam wikibase:language 'en' }
  }