CREATE TABLE table_39989 ("Res." TEXT, "Record" TEXT, "Opponent" TEXT, "Method" TEXT, "Round" TEXT, "Time" TEXT, "Location" TEXT)

What was the total time for the match that ocurred in Round 3 with opponent Keith Wisniewski?
SELECT "Time" FROM table_39989 WHERE "Round" = '3' AND "Opponent" = 'keith wisniewski'
SELECT "Time" FROM "table_39989" WHERE "Opponent" = 'keith wisniewski' AND "Round" = '3'