Was a actor influenced by a actor that influenced a British character and was influenced by M1
SELECT count(*) WHERE {
?x0 a ns:film.actor .
?x0 ns:influence.influence_node.influenced_by ?x1 .
?x1 a ns:film.actor .
?x1 ns:influence.influence_node.influenced ?x2 .
?x1 ns:influence.influence_node.influenced_by M1 .
?x2 a ns:fictional_universe.fictional_character .
?x2 ns:people.person.nationality ns:m.07ssc
}