CREATE TABLE table_66776 ("Counting Method" TEXT, "Basis" TEXT, "Name" TEXT, "Directed / Undirected" TEXT, "Induced / Non-Induced" TEXT)

What is the directed/undirected for mfinder, which has a network-centric basis?
SELECT "Directed / Undirected" FROM table_66776 WHERE "Name" = 'mfinder' AND "Basis" = 'network-centric'
SELECT "Directed / Undirected" FROM "table_66776" WHERE "Basis" = 'network-centric' AND "Name" = 'mfinder'