CREATE TABLE table_2668405_17 (district VARCHAR2, candidates VARCHAR2)

What is the district with the candidates leven powell (f) 63.8% roger west (dr) 36.4%?
SELECT district FROM table_2668405_17 WHERE candidates = "Leven Powell (F) 63.8% Roger West (DR) 36.4%"
SELECT "district" FROM "table_2668405_17" WHERE "Leven Powell (F) 63.8% Roger West (DR) 36.4%" = "candidates"