How many more homes were badly damaged than destroyed in the 2004 floods in Bangladesh?
return the  2004 floods in  Bangladesh ;return homes badly damaged of #1 ;return homes destroyed of #1 ;return number of  #2 ;return number of  #3 ;return the  difference of #4 and  #5
['select', 'project', 'project', 'aggregate', 'aggregate', 'arithmetic']