query: SELECT
    # Sample work citing a Zika work
    DISTINCT ?item 
  
   # Number of works with the coauthor
    ?count
  
    # The citing author as a string, - rather than as an item
    ?citing_author
  
    # Build URL to the Author disambiguator tool
    (CONCAT(
        'https://tools.wmflabs.org/author-disambiguator/?doit=Look+for+author&name=',
        ENCODE_FOR_URI(?citing_author)) AS ?string_resolver)
  
  WHERE {
    SELECT
      (COUNT(DISTINCT ?citing_work) as ?count)
      ?citing_author
      (SAMPLE(?citing_work) AS ?item) 
    WHERE {
      ?work wdt:P921 wd:Q202864 .
      ?citing_work wdt:P2860 ?work .
      ?citing_work wdt:P2093 ?citing_author .
    }
    GROUP BY ?citing_author
  }
  ORDER BY DESC(?count)
  LIMIT 1000