How many days after Pokémon Black and White was released in North America was it released in Australia?
return Pokémon Black and  White was  released  in  North America ;return Pokémon Black and  White was  released  in  Australia ;return when  was  #1 ;return when  was  #2 ;return difference of #4 and  #3 in  days
['select', 'select', 'project', 'project', 'arithmetic']