Did a British person that married M4 edit M1 and write M2
SELECT count(*) WHERE {
?x0 a ns:people.person .
?x0 ns:film.editor.film M1 .
?x0 ns:film.writer.film M2 .
?x0 ns:people.person.nationality ns:m.07ssc .
?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 M4 .
FILTER ( ?x0 != M4 )
}