Did M1 and M7 influence M2 and M3 , influence M4 , M5 , and M6 , and influence a character
SELECT count(*) WHERE {
?x0 a ns:fictional_universe.fictional_character .
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 .
M1 ns:influence.influence_node.influenced M6 .
M7 ns:influence.influence_node.influenced ?x0 .
M7 ns:influence.influence_node.influenced M2 .
M7 ns:influence.influence_node.influenced M3 .
M7 ns:influence.influence_node.influenced M4 .
M7 ns:influence.influence_node.influenced M5 .
M7 ns:influence.influence_node.influenced M6
}