CREATE TABLE table_48515 ("Res." TEXT, "Record" TEXT, "Opponent" TEXT, "Method" TEXT, "Event" TEXT, "Round" FLOAT, "Time" TEXT, "Location" TEXT)

What is the time of ufc 154?
SELECT "Time" FROM table_48515 WHERE "Event" = 'ufc 154'
SELECT "Time" FROM "table_48515" WHERE "Event" = 'ufc 154'