Was M2 influenced by M3 and M4 , influenced by M1 's employee 's sibling , and influenced by a executive producer of M0
SELECT count(*) WHERE {
?x0 ns:film.producer.films_executive_produced M0 .
?x1 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 ?x2 .
?x2 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
FILTER ( ?x1 != ?x2 ) .
M2 ns:influence.influence_node.influenced_by ?x0 .
M2 ns:influence.influence_node.influenced_by ?x1 .
M2 ns:influence.influence_node.influenced_by M3 .
M2 ns:influence.influence_node.influenced_by M4
}