machine_question: what is the title of the person that served in the military unit Texas Air National Guard 's new book
question: What is the title of the book written by solder in the Texas Air National Guard?
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:military.military_person.service ?k .
  ?k ns:military.military_service.unit ns:m.028cg1y . 
  ?c ns:book.author.works_written ?x .
  ?x ns:common.topic.notable_types ns:m.01xryvm .
  ?x ns:book.written_work.date_of_first_publication ?sk0 .
  }
  ORDER BY DESC(xsd:datetime(?sk0))
  LIMIT 1
  
webqsp_question: what is the title of george bush 's new book