How many years was the operating profit (s$m) 717.1?
CREATE TABLE table_161591_2 (
    profit_before_taxation__s VARCHAR,
    operating_profit__s$m_ VARCHAR
)
SELECT COUNT(profit_before_taxation__s) AS $m_ FROM table_161591_2 WHERE operating_profit__s$m_ = "717.1"
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: How many years was the operating profit (s$m) 717.1? ### Input: CREATE TABLE table_161591_2 (
    profit_before_taxation__s VARCHAR,
    operating_profit__s$m_ VARCHAR
) ### Response: SELECT COUNT(profit_before_taxation__s) AS $m_ FROM table_161591_2 WHERE operating_profit__s$m_ = "717.1"