CREATE TABLE table_name_25 (date VARCHAR2, opponent VARCHAR2, loss VARCHAR2)

Which Date has an Opponent of @ mariners, and a Loss of hern ndez (0-1)?
SELECT date FROM table_name_25 WHERE opponent = "@ mariners" AND loss = "hernández (0-1)"
SELECT "date" FROM "table_name_25" WHERE "@ mariners" = "opponent" AND "hernández (0-1)" = "loss"