How many yards difference was David Garrard's third touchdown pass compared to his fourth?
return David Garrard ;return touchdown passes of #1 ;return the  third of #2 ;return the  fourth of #2 ;return yards of #3 ;return yards of #4 ;return the  difference of #5 and  #6
['select', 'project', 'project', 'project', 'project', 'project', 'arithmetic']