query: SELECT ?item1 ?item1Label (year(?date1) AS ?year1) ?item2 ?item2Label (year(?date2) AS ?year2) WHERE {
  
      ?item1 p:P166 ?prize_stmt1 .
      ?prize_stmt1 ps:P166 wd:Q616568 .
      OPTIONAL {?prize_stmt1 pq:P585 ?date1} .
   
      ?item1 wdt:P3373 ?item2 .
      ?item2 p:P166 ?prize_stmt2 . 
      ?prize_stmt2 ps:P166 wd:Q616568 .
      OPTIONAL {?prize_stmt2 pq:P585 ?date2 } .
  
      FILTER ((?date1 < ?date2) || ( (!(?date2 < ?date1)) && (str(?item1) < str(?item2)) ) ).
      SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
  
  } ORDER BY ?year1