query: SELECT ?item ?itemLabel ?itemDescription ?startTime ?partyLabel ?termLabel ?electoralDistrictLabel #?replaces ?replacedBy 
  {
   ?item p:P39 ?positionStatement .
   ?positionStatement ps:P39 wd:Q16707842; pq:P2715 wd:Q25052149 .
   # MINUS { ?item p:P39 [ ps:P39 wd:Q16707842; pq:P2937 [ ^(wdt:P155+) wd:Q29974940 ] ] . }
   # MINUS { ?item wdt:P463 [ ^(wdt:P155+) wd:Q29974940 ] . }
   OPTIONAL { ?positionStatement pq:P580 ?startTime . }
   OPTIONAL { ?positionStatement pq:P768 ?electoralDistrict . }
   OPTIONAL { ?positionStatement pq:P102 ?party . }
   OPTIONAL { ?positionStatement pq:P2937 ?term . }
  # OPTIONAL { ?positionStatement pq:1365 ?replaces . }
  # OPTIONAL { ?positionStatement pq:1365 ?replacedBy . }
   SERVICE wikibase:label { bd:serviceParam wikibase:language 'en' }
  }
  