What was the expenditure (s$m) associated with an operating profit (s$m) of 717.1?
create table table_161591_2 (expenditure__s$m_ varchar, operating_profit__s$m_ varchar, PRIMARY KEY (expenditure__s$m_))
select expenditure__s$m_ from table_161591_2 where operating_profit__s$m_ = "717.1"