What are the names and locations of the stadiums that had concerts that occurred in both 2014 and 2015?
return stadiums ;return #1 that  had concerts in 2014 ;return #1 that  had concerts in 2015 ;return the  names of  both #2 and  #3 ;return the  locations of  both #2 and  #3 ;return #4 ,  #5
['select', 'filter', 'filter', 'intersection', 'intersection', 'union']