Who directed the episode "hammers and veils"?
CREATE TABLE "table1_2602958_3" (
  "no" real,
  "num" real,
  "title" text,
  "director" text,
  "writer_s" text,
  "original_air_date" text,
  "prod_code" real,
  "u_s_viewers_million" text
);
SELECT "director" FROM "table1_2602958_3" WHERE "title"='\"Hammers and Veils\"';