Were M4 , M5 , and M6 influenced by a film producer and influenced by a British executive producer of M0 and M1
SELECT count(*) WHERE {
?x0 ns:film.producer.films_executive_produced M0 .
?x0 ns:film.producer.films_executive_produced M1 .
?x0 ns:people.person.nationality ns:m.07ssc .
?x1 a ns:film.producer .
M4 ns:influence.influence_node.influenced_by ?x0 .
M4 ns:influence.influence_node.influenced_by ?x1 .
M5 ns:influence.influence_node.influenced_by ?x0 .
M5 ns:influence.influence_node.influenced_by ?x1 .
M6 ns:influence.influence_node.influenced_by ?x0 .
M6 ns:influence.influence_node.influenced_by ?x1
}