When did they play at Candlestick Park?
CREATE TABLE table_39901 (
    "Week" real,
    "Date" text,
    "Opponent" text,
    "Result" text,
    "Record" text,
    "Game Site" text,
    "Attendance" real
)
SELECT "Date" FROM table_39901 WHERE "Game Site" = 'candlestick park'
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: When did they play at Candlestick Park? ### Input: CREATE TABLE table_39901 (
    "Week" real,
    "Date" text,
    "Opponent" text,
    "Result" text,
    "Record" text,
    "Game Site" text,
    "Attendance" real
) ### Response: SELECT "Date" FROM table_39901 WHERE "Game Site" = 'candlestick park'