How many more cases of heart disease is TX expected to see in 2030 compared with 2010?
return TX ;return expected cases of heart disease in  2030 of  #1 ;return expected cases of heart disease 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']