question: Was a French actor that was influenced by M2 and M3 M0
query: SELECT count(*) WHERE {
  M0 a ns:film.actor .
  M0 ns:influence.influence_node.influenced_by M2 .
  M0 ns:influence.influence_node.influenced_by M3 .
  M0 ns:people.person.nationality ns:m.0f8l9c
  }