CREATE TABLE table_1137142_1 (group_a_winner VARCHAR, group_c_winner VARCHAR)

What is the group a winner for vis pesaro?
SELECT group_a_winner FROM table_1137142_1 WHERE group_c_winner = "Vis Pesaro"
SELECT "group_a_winner" FROM "table_1137142_1" WHERE "Vis Pesaro" = "group_c_winner"