CREATE TABLE table_56305 ("Date" TEXT, "Opponent" TEXT, "Score" TEXT, "Loss" TEXT, "Attendance" TEXT, "Record" TEXT)

What was the date of the Mariners game that had a loss of Segui (0-5)?
SELECT "Date" FROM table_56305 WHERE "Loss" = 'segui (0-5)'
SELECT "Date" FROM "table_56305" WHERE "Loss" = 'segui (0-5)'