What Date has a Result of l 21 34?
CREATE TABLE table_38168 (
    "Week" real,
    "Date" text,
    "Opponent" text,
    "Result" text,
    "Record" text,
    "Game Site" text,
    "Attendance" real
)
SELECT "Date" FROM table_38168 WHERE "Result" = 'l 21–34'
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 has a Result of l 21 34? ### Input: CREATE TABLE table_38168 (
    "Week" real,
    "Date" text,
    "Opponent" text,
    "Result" text,
    "Record" text,
    "Game Site" text,
    "Attendance" real
) ### Response: SELECT "Date" FROM table_38168 WHERE "Result" = 'l 21–34'