What date is listed for the team that has an Away team score of 20.21 (141)?
CREATE TABLE table_78148 (
    "Home team" text,
    "Home team score" text,
    "Away team" text,
    "Away team score" text,
    "Venue" text,
    "Crowd" real,
    "Date" text
)
SELECT "Date" FROM table_78148 WHERE "Away team score" = '20.21 (141)'
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 date is listed for the team that has an Away team score of 20.21 (141)? ### Input: CREATE TABLE table_78148 (
    "Home team" text,
    "Home team score" text,
    "Away team" text,
    "Away team score" text,
    "Venue" text,
    "Crowd" real,
    "Date" text
) ### Response: SELECT "Date" FROM table_78148 WHERE "Away team score" = '20.21 (141)'