How many more TD pass did Jake Delhomme throw than Marc Bulger?
return Jake Delhomme ;return TD passes of #1 ;return number of  #2 ;return Marc Bulger ;return TD passes of #4 ;return number of  #5 ;return difference of #3 and  #6
['select', 'project', 'aggregate', 'select', 'project', 'aggregate', 'arithmetic']