CREATE TABLE table_name_58 (agg VARCHAR2)

What 1st leg has Alense Vivaldi (Trentino) as Agg.?
SELECT 1 AS st_leg FROM table_name_58 WHERE agg = "alense vivaldi (trentino)"
SELECT 1 AS "st_leg" FROM "table_name_58" WHERE "agg" = "alense vivaldi (trentino)"