How many more yards was J. P. Losman's second touchdown over his first?
return J. P. Losman ;return touchdowns of #1 ;return the  first of #2 ;return the  second of #2 ;return yards of #3 ;return yards of #4 ;return the  difference of #6 and  #5
['select', 'project', 'aggregate', 'project', 'project', 'project', 'arithmetic']