NEW ORLEANS -- The San Francisco 49ers had their chances in Super Bowl XLVII. They had four consecutive shots from the Baltimore 7-yard line or closer in the final minutes. They couldn't quite finish what would have been the greatest comeback in Super Bowl history.Quarterback Colin Kaepernick passed for 302 yards and a touchdown. He ran for another score. He played well for much of the game.Super Bowl XLVII Total QBRThose wondering why Kaepernick finished with a 46.