What sesaon(s) did they have 254 goals against?
CREATE TABLE table_30349 (
    "Season" text,
    "Games" real,
    "Won" real,
    "Lost" real,
    "Tied" real,
    "Points" real,
    "Goals for" real,
    "Goals against" real,
    "Standing" text,
    "Head coaches" text
)
SELECT "Season" FROM table_30349 WHERE "Goals against" = '254'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What sesaon(s) did they have 254 goals against? ### Input: CREATE TABLE table_30349 (
    "Season" text,
    "Games" real,
    "Won" real,
    "Lost" real,
    "Tied" real,
    "Points" real,
    "Goals for" real,
    "Goals against" real,
    "Standing" text,
    "Head coaches" text
) ### Response: SELECT "Season" FROM table_30349 WHERE "Goals against" = '254'