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_2668405_17 (district VARCHAR, candidates VARCHAR)

### Question ###
What is the district with the candidates leven powell (f) 63.8% roger west (dr) 36.4%?

### Accurate SQL ###

SELECT district FROM table_2668405_17 WHERE candidates = "Leven Powell (F) 63.8% Roger West (DR) 36.4%"