How many combined Mechanized Infantry Battalions and Infantry Battalions were part of the Libyan Army in 2009?
return the  Libyan Army ;return Mechanized Infantry Battalions of #1 ;return Infantry Battalions of #1 ;return #2 in  2009 ;return #3 in  2009 ;return number of  #4 ;return number of  #5 ;return sum of #6 and  #7
['select', 'project', 'project', 'filter', 'filter', 'aggregate', 'aggregate', 'arithmetic']