question: Did members of Congress make more from 1789 to 1815 or from 1818 to 1855?
#1 return members of Congress 
#2 return the  make from  1789 to 1815 of #1 
#3 return the  make from  1818 to 1855 of #1 
#4 return which is the  highest of #2 ,  #3