CREATE TABLE table_name_84 (copa_libertadores_1996 VARCHAR(255), copa_conmebol_1996 VARCHAR(255))
What is the copa libertadores 1996 result of the team with a copa conmebol 1996 result of quarterfinals?
    
SQL: SELECT copa_libertadores_1996 FROM table_name_84 WHERE copa_conmebol_1996 = "quarterfinals"