What's the total attendance of games against the New York Giants after week 13?
CREATE TABLE table_9305 (
    "Week" real,
    "Date" text,
    "Opponent" text,
    "Result" text,
    "Attendance" real
)
SELECT COUNT("Attendance") FROM table_9305 WHERE "Week" > '13' AND "Opponent" = 'new york giants'
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's the total attendance of games against the New York Giants after week 13? ### Input: CREATE TABLE table_9305 (
    "Week" real,
    "Date" text,
    "Opponent" text,
    "Result" text,
    "Attendance" real
) ### Response: SELECT COUNT("Attendance") FROM table_9305 WHERE "Week" > '13' AND "Opponent" = 'new york giants'