machine_question: what did the scientist the academic advisor of William Henry Bragg discover
question: What was scientist William Henry Bragg's academic advisor's discovery?
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:education.academic.advisees ns:m.023bwq . 
  ?c ns:symbols.name_source.namesakes ?x .
  }
  
webqsp_question: what did the scientist thomson discover