How many total Asians settled in Glasgow in the 1960s and 1970s?
return Asians ;return #1 that settled in  Glasgow ;return #2 in  the  1960s ;return #2 in  the  1970s ;return the  number of  #3 ;return the  number of  #4 ;return the  sum of #5 and  #6
['select', 'filter', 'filter', 'filter', 'aggregate', 'aggregate', 'arithmetic']