▁chart ▁for ▁four ▁weeks . S ources ▁for ▁" So ▁What " ▁positions ▁on ▁the ▁US ▁Pop ▁Songs ▁Chart ▁( B ill board ): ▁ ▁Week ▁of ▁October ▁ 2 5 , ▁ 2 0 0 8 : ▁▁ ▁Week ▁of ▁November ▁ 1 , ▁ 2 0 0 8 : ▁▁ ▁Week ▁of ▁November ▁ 8 , ▁ 2 0 0 8 : ▁▁ ▁Week ▁of ▁November ▁ 1 5 , ▁ 2 0 0 8 : ▁▁ ▁Week ▁of ▁November ▁ 2 2 , ▁ 2 0 0 8 : ▁ ▁It ▁also ▁pe aked ▁at ▁number ▁ 2 1 ▁on ▁the ▁US ▁Hot ▁Dance ▁Club ▁Songs . ▁" So ▁What " ▁has ▁sold ▁ 4 , 6 2 4 , 0 0 0 ▁digital ▁download s ▁in ▁the ▁United ▁States ▁as ▁of ▁August ▁ 2 0 1 3 . ▁ ▁" So ▁What " ▁proved ▁to ▁be ▁a ▁major ▁success ▁across ▁Europe ▁as ▁it ▁pe aked ▁inside ▁the ▁top ▁five ▁in ▁various ▁countries . ▁In ▁the ▁United ▁Kingdom , ▁the ▁song ▁entered ▁the ▁singles ▁chart ▁at ▁number ▁ 3 8 ▁in ▁the ▁issue ▁dated ▁October ▁ 4 , ▁ 2 0 0 8 . ▁It ▁asc ended ▁to ▁number ▁one ▁in ▁the ▁following ▁week , ▁where ▁it ▁remained ▁for ▁three ▁consecutive ▁weeks . ▁The ▁song ▁last ed ▁a ▁total ▁of ▁ 3 6 ▁weeks ▁on ▁the ▁chart , ▁s elling ▁ 5 0 0 , 0 0 0 ▁copies ▁in ▁the ▁United ▁Kingdom , ▁according ▁to ▁The ▁Official ▁Ch arts