Who is the director when Chris Hawkshaw is the writer?
CREATE TABLE "table1_16175064_3" (
  "season_num" real,
  "series_num" real,
  "title" text,
  "director_s" text,
  "writer_s" text,
  "original_airdate" text
);
SELECT "director_s" FROM "table1_16175064_3" WHERE "writer_s"='Chris Hawkshaw';