query: SELECT ?item 
  WHERE 
  {  ?item p:P2962 ?statement .
     ?statement ps:P2962 wd:Q16674680; pq:P580 ?start_time.
     FILTER (?start_time >= "1980-01-01T00:00:00Z"^^xsd:dateTime) .
     FILTER (?start_time < "1985-01-01T00:00:00Z"^^xsd:dateTime) . 
  }