question: List the brands of lenses that took both a picture of mountains with range 'Toubkal Atlas' and a picture of mountains with range 'Lasta Massif'
#1 return mountains  
#2 return ranges of   #1 
#3 return #1 where #2 is 'Toubkal Atlas 
#4 return #1 where #2 is 'Lasta Massif 
#5 return pictures of   #3 
#6 return pictures of   #4 
#7 return lenses of   both #5 and  #6 
#8 return brands of   #7