Did M2 marry M3 , marry M1 's executive producer , and influence M0 's writer
SELECT count(*) WHERE {
?x0 ns:film.writer.film M0 .
?x1 ns:film.producer.films_executive_produced M1 .
FILTER ( M2 != ?x1 ) .
FILTER ( M2 != M3 ) .
M2 ns:influence.influence_node.influenced ?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 ?x1 .
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 M3
}