Did a male British cinematographer influence M1 and influence M2 and M3
SELECT count(*) WHERE {
?x0 a ns:film.cinematographer .
?x0 ns:influence.influence_node.influenced M1 .
?x0 ns:influence.influence_node.influenced M2 .
?x0 ns:influence.influence_node.influenced M3 .
?x0 ns:people.person.gender ns:m.05zppz .
?x0 ns:people.person.nationality ns:m.07ssc
}