CREATE TABLE table_14564 ("Date" TEXT, "Opponent" TEXT, "Score" TEXT, "Loss" TEXT, "Attendance" TEXT, "Record" TEXT)

Which Date has an Opponent of @ mariners, and a Loss of hern ndez (0-1)?
SELECT "Date" FROM table_14564 WHERE "Opponent" = '@ mariners' AND "Loss" = 'hernández (0-1)'
SELECT "Date" FROM "table_14564" WHERE "Loss" = 'hernández (0-1)' AND "Opponent" = '@ mariners'