How many were going to protect American citizens and property on the Pacific coast of Nicaragua?
return Nicaragua ;return Pacific coast of #1 ;return property on #2 ;return American citizens of #2 ;return #3 ,  #4 ;return those that were going to protect #5 ;return the  number of  #6
['select', 'project', 'project', 'project', 'union', 'project', 'aggregate']