Excluding forestry, how many surface areas in agricultural use are not taken up by olive tree orchards?
return olive trees orchards ;return surface areas ;return #2 in agricultural use ;return #3 taken up by #1 ;return #3 besides  #4 ;return #5 besides  forestry ;return the number of  #6
['select', 'select', 'filter', 'filter', 'discard', 'discard', 'aggregate']