In which week was the attendance 47,218?
CREATE TABLE table_43545 (
    "Week" real,
    "Date" text,
    "Opponent" text,
    "Result" text,
    "Attendance" real
)
SELECT SUM("Week") FROM table_43545 WHERE "Attendance" = '47,218'
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: In which week was the attendance 47,218? ### Input: CREATE TABLE table_43545 (
    "Week" real,
    "Date" text,
    "Opponent" text,
    "Result" text,
    "Attendance" real
) ### Response: SELECT SUM("Week") FROM table_43545 WHERE "Attendance" = '47,218'