question: Did M2 marry M6 , marry M0 's male sibling , and influence M3 , M4 , and M5
query: SELECT count(*) WHERE {
  ?x0 ns:people.person.gender ns:m.05zppz .
  ?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 .
  FILTER ( ?x0 != M0 ) .
  FILTER ( M2 != ?x0 ) .
  FILTER ( M2 != M6 ) .
  M2 ns:influence.influence_node.influenced M3 .
  M2 ns:influence.influence_node.influenced M4 .
  M2 ns:influence.influence_node.influenced M5 .
  M2 ns:people.person.spouse_s/ns:people.marriage.spouse|ns:fictional_universe.fictional_character.married_to/ns:fictional_universe.marriage_of_fictional_characters.spouses ?x0 .
  M2 ns:people.person.spouse_s/ns:people.marriage.spouse|ns:fictional_universe.fictional_character.married_to/ns:fictional_universe.marriage_of_fictional_characters.spouses M6
  }