machine_question: where did charles drew go to college and is the university that has number of undergraduates 1648
question: What university was attended by Charles Drew and also has a population of 1648 undergrads?
sparql: PREFIX ns: <http://rdf.freebase.com/ns/>
  SELECT DISTINCT ?x
  WHERE {
  FILTER (?x != ns:m.018t67)
  FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
  ns:m.018t67 ns:people.person.education ?y .
  ?y ns:education.education.institution ?x .
  ?x ns:common.topic.notable_types ns:m.01y2hnl .
  ?x ns:education.university.number_of_undergraduates ?c .
  ?c ns:measurement_unit.dated_integer.number "1648" . 
  }
webqsp_question: where did charles drew go to college