Did M1 and M6 influence a film editor and influence M2 , M3 , M4 , and M5
SELECT count(*) WHERE {
?x0 a ns:film.editor .
M1 ns:influence.influence_node.influenced ?x0 .
M1 ns:influence.influence_node.influenced M2 .
M1 ns:influence.influence_node.influenced M3 .
M1 ns:influence.influence_node.influenced M4 .
M1 ns:influence.influence_node.influenced M5 .
M6 ns:influence.influence_node.influenced ?x0 .
M6 ns:influence.influence_node.influenced M2 .
M6 ns:influence.influence_node.influenced M3 .
M6 ns:influence.influence_node.influenced M4 .
M6 ns:influence.influence_node.influenced M5
}