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_name_81 ( legs VARCHAR, venue VARCHAR, runner_up__average_in_final_ VARCHAR )

### Question ###
What is the legs when the venue is rwe-sporthalle, m lheim and the runner-up (average in final) is simon whitlock (99.59)?

### Accurate SQL ###

SELECT legs FROM table_name_81 WHERE venue = "rwe-sporthalle, mülheim" AND runner_up__average_in_final_ = "simon whitlock (99.59)"