Question: when did how i met your mother end
Answer: 2014-03-31; 03 31 2014; 31 March 2014; 2014 March 31; 2014 03 31; 31/03/2014; 2014 March, 31; 31 03 2014; 31-03-2014; 2014-03-31; 03-31-2014; 03/31/2014