Did M3 marry M4 and M5 , marry a person , and influence a Canadian actor
SELECT count(*) WHERE {
?x0 a ns:film.actor .
?x0 ns:people.person.nationality ns:m.0d060g .
?x1 a ns:people.person .
FILTER ( M3 != ?x1 ) .
FILTER ( M3 != M4 ) .
FILTER ( M3 != M5 ) .
M3 ns:influence.influence_node.influenced ?x0 .
M3 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 .
M3 ns:people.person.spouse_s/ns:people.marriage.spouse|ns:fictional_universe.fictional_character.married_to/ns:fictional_universe.marriage_of_fictional_characters.spouses M4 .
M3 ns:people.person.spouse_s/ns:people.marriage.spouse|ns:fictional_universe.fictional_character.married_to/ns:fictional_universe.marriage_of_fictional_characters.spouses M5
}