Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_62 ( copa_libertadores_1999 VARCHAR, copa_mercosur_1999 VARCHAR, team VARCHAR )

### Question ###
What is the Copa Libertadores 1999 result for team vasco, which made the group stage in the Copa Mercosur 1999?

### Accurate SQL ###

SELECT copa_libertadores_1999 FROM table_name_62 WHERE copa_mercosur_1999 = "group stage" AND team = "vasco"