What was the introductory phrase for the episode with the production bode 6026?
CREATE TABLE "table1_25691838_2" (
  "episode_num" real,
  "the_w_rd" text,
  "guest" text,
  "introductory_phrase" text,
  "original_airdate" text,
  "production_code" real
);
SELECT "introductory_phrase" FROM "table1_25691838_2" WHERE "production_code"=6026;