question: Was a Swedish person influenced by M1 , M2 , M3 , M4 , and M5
query: SELECT count(*) WHERE {
  ?x0 a ns:people.person .
  ?x0 ns:influence.influence_node.influenced_by M1 .
  ?x0 ns:influence.influence_node.influenced_by M2 .
  ?x0 ns:influence.influence_node.influenced_by M3 .
  ?x0 ns:influence.influence_node.influenced_by M4 .
  ?x0 ns:influence.influence_node.influenced_by M5 .
  ?x0 ns:people.person.nationality ns:m.0d0vqn
  }