what are all the Canadian air dates where the u.s. air date is may 1, 2009
CREATE TABLE table_12294557_3 (canadian_airdate VARCHAR, us_airdate VARCHAR)
SELECT canadian_airdate FROM table_12294557_3 WHERE us_airdate = "May 1, 2009"
### Context: CREATE TABLE table_12294557_3 (canadian_airdate VARCHAR, us_airdate VARCHAR) ### Question: what are all the Canadian air dates where the u.s. air date is may 1, 2009 ### Answer: SELECT canadian_airdate FROM table_12294557_3 WHERE us_airdate = "May 1, 2009"