How many more doubles were accomplished in the first season with the team than in the second season?
return seasons with the  team ;return the  first of #1 ;return the  second of #1 ;return accomplished doubles of #2 ;return accomplished doubles of #3 ;return number of  #4 ;return number of  #5 ;return the  difference of #6 and  #7
['select', 'aggregate', 'project', 'project', 'project', 'aggregate', 'aggregate', 'arithmetic']