How many total people, households and families were there in 2000?
return people ;return households ;return families ;return #1 in  2000 ;return #2 in  2000 ;return #3 in  2000 ;return number of  #4 ;return number of  #5 ;return number of  #6 ;return sum of #7 ,  #8 ,   #9
['select', 'select', 'select', 'filter', 'filter', 'filter', 'aggregate', 'aggregate', 'aggregate', 'arithmetic']