Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_161591_2 (expenditure__s$m_ VARCHAR, operating_profit__s$m_ VARCHAR)

### Question ###
What was the expenditure (s$m) associated with an operating profit (s$m) of 717.1?

### Accurate SQL ###

SELECT expenditure__s$m_ FROM table_161591_2 WHERE operating_profit__s$m_ = "717.1"