Which episode has been viewed 6.34 million times? 
CREATE TABLE table_15026994_3 (episode VARCHAR, viewing_figure VARCHAR)
SELECT episode FROM table_15026994_3 WHERE viewing_figure = "6.34 million"
### Context: CREATE TABLE table_15026994_3 (episode VARCHAR, viewing_figure VARCHAR) ### Question: Which episode has been viewed 6.34 million times?  ### Answer: SELECT episode FROM table_15026994_3 WHERE viewing_figure = "6.34 million"