How many yards longer was Vince Young's touchdown pass to Roydell Williams compared to his one to Justin Gage?
return Vince Young ;return touchdown passes of #1 ;return #2 to Roydell Williams ;return #2 to Justin Gage ;return yards of #3 ;return yards of #4 ;return the  difference of #5 and  #6
['select', 'project', 'filter', 'filter', 'project', 'project', 'arithmetic']