CREATE TABLE "table1_26199484_1" (
  "no" real,
  "num" real,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "u_s_viewers_million" text,
  "rank_week" text,
  "original_air_date" text,
  "production_code" text
);

Question: Who wrote title number 38?
SQL: SELECT "written_by" FROM "table1_26199484_1" WHERE "no"=38;