query: SELECT DISTINCT ?award ?awardLabel
  WHERE
  {
    [] p:P166 [ ps:P166 ?award; pq:P585 ?twentyFourteen ].
    FILTER(YEAR(?twentyFourteen) = 2014).
    MINUS {
      [] p:P166 [ ps:P166 ?award; pq:P585 ?twentyFifteen ].
      FILTER(YEAR(?twentyFifteen) = 2015).
    }
    SERVICE wikibase:label { bd:serviceParam wikibase:language "en". }
  }