What is the region 1 (Canada) date associated with a region 2 (UK) date of May 18, 2009?
create table table_240936_2 (region_1__can_ varchar, region_2__uk_ varchar, PRIMARY KEY (region_1__can_))
select region_1__can_ from table_240936_2 where region_2__uk_ = "may 18, 2009"