machine_question: what are the school colors for the publisher of the periodical journal Harvard Undergraduate Research Journal
question: find the school colors of the university that publishes a periodical called Harvard Undergraduate Research Journal?
sparql: PREFIX ns: <http://rdf.freebase.com/ns/>
  SELECT DISTINCT ?x
  WHERE {
  FILTER (?x != ?c)
  FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
  ?c ns:book.periodical_publisher.periodicals_published ?k .
  ?k ns:book.periodical_publisher_period.periodical ns:m.05szs45 . 
  ?c ns:education.educational_institution.colors ?x .
  }
  
webqsp_question: what are the school colors for harvard university