How many more people were there said to be in Tallahassee in 2010 than households?
return Tallahassee ;return people in  2010 of #1 ;return households in  2010 of #1 ;return number of  #2 ;return number of  #3 ;return the  difference of #4 and  #5
['select', 'project', 'project', 'aggregate', 'aggregate', 'arithmetic']