question: Did a German person influence M1 and influence a cinematographer
query: SELECT count(*) WHERE {
  ?x0 a ns:people.person .
  ?x0 ns:influence.influence_node.influenced ?x1 .
  ?x0 ns:influence.influence_node.influenced M1 .
  ?x0 ns:people.person.nationality ns:m.0345h .
  ?x1 a ns:film.cinematographer
  }