Were M3 and M6 executive produced by a Canadian film producer that married M2 and written by M4 and M5
SELECT count(*) WHERE {
?x0 a ns:film.producer .
?x0 ns:people.person.nationality ns:m.0d060g .
?x0 ns:people.person.spouse_s/ns:people.marriage.spouse|ns:fictional_universe.fictional_character.married_to/ns:fictional_universe.marriage_of_fictional_characters.spouses M2 .
FILTER ( ?x0 != M2 ) .
M3 ns:film.film.executive_produced_by ?x0 .
M3 ns:film.film.written_by M4 .
M3 ns:film.film.written_by M5 .
M6 ns:film.film.executive_produced_by ?x0 .
M6 ns:film.film.written_by M4 .
M6 ns:film.film.written_by M5
}