CREATE TABLE table_48445 ("Res." TEXT, "Record" TEXT, "Opponent" TEXT, "Method" TEXT, "Event" TEXT, "Round" FLOAT, "Location" TEXT)

How many rounds did the match at GCF: Strength and Honor last?
SELECT AVG("Round") FROM table_48445 WHERE "Event" = 'gcf: strength and honor'
SELECT AVG("Round") FROM "table_48445" WHERE "Event" = 'gcf: strength and honor'