Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_15026994_5 ( _number INTEGER, viewing_figure VARCHAR )

### Question ###
What is the # for the episode with viewing figures of 7.02 million ?

### Accurate SQL ###

SELECT MAX(_number) FROM table_15026994_5 WHERE viewing_figure = "7.02 million"