what is the major body of water located in the western boundaries of kazakhstan and turkmenistan?
return kazakhstan ;return turkmenistan ;return western boundary of #1 ;return western boundary of #2 ;return major body of water ;return #5 that is located in  #3 ;return #5 that is located in  #4 ;return #5 in  both  #6 and #7
['select', 'select', 'project', 'project', 'select', 'filter', 'filter', 'intersection']