question: Were M3 and M5 influenced by M0 's sibling , influenced by M4 , and influenced by M1 's Mexican employee
query: SELECT count(*) WHERE {
  ?x0 ns:people.person.sibling_s/ns:people.sibling_relationship.sibling|ns:fictional_universe.fictional_character.siblings/ns:fictional_universe.sibling_relationship_of_fictional_characters.siblings M0 .
  ?x1 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
  ?x1 ns:people.person.nationality ns:m.0b90_r .
  FILTER ( ?x0 != M0 ) .
  M3 ns:influence.influence_node.influenced_by ?x0 .
  M3 ns:influence.influence_node.influenced_by ?x1 .
  M3 ns:influence.influence_node.influenced_by M4 .
  M5 ns:influence.influence_node.influenced_by ?x0 .
  M5 ns:influence.influence_node.influenced_by ?x1 .
  M5 ns:influence.influence_node.influenced_by M4
  }