CREATE TABLE table_26824484_1 (title VARCHAR2, directed_by VARCHAR2, written_by VARCHAR2)

Which episode was directed by Jeff Woolnough and written by Christopher Ambrose?
SELECT title FROM table_26824484_1 WHERE directed_by = "Jeff Woolnough" AND written_by = "Christopher Ambrose"
SELECT "title" FROM "table_26824484_1" WHERE "Christopher Ambrose" = "written_by" AND "Jeff Woolnough" = "directed_by"