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_25547943_1 ( directed_by VARCHAR, written_by VARCHAR )

### Question ###
Who directed the episode that was written by Bill Lawrence?

### Accurate SQL ###

SELECT directed_by FROM table_25547943_1 WHERE written_by = "Bill Lawrence"