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_1137142_1 ( group_a_winner VARCHAR, group_c_winner VARCHAR )

### Question ###
What is the group a winner for vis pesaro?

### Accurate SQL ###

SELECT group_a_winner FROM table_1137142_1 WHERE group_c_winner = "Vis Pesaro"