query: SELECT ?item ?itemLabel ?start_time
  WHERE 
  { ?item p:P2962 ?statement.                            
    ?statement ps:P2962 wd:Q105269; pq:P580 ?start_time.
    FILTER (?start_time >= "2012-01-01T00:00:00Z"^^xsd:dateTime) .
    FILTER (?start_time < "2013-01-01T00:00:00Z"^^xsd:dateTime) . 
  }