List episode directed and produced by Karen Selway?
CREATE TABLE "table1_24725951_1" (
  "episode" real,
  "stage" text,
  "celebrities" text,
  "directed_and_produced_by" text,
  "original_airdate" text,
  "viewers_overnight_estimates" text
);
SELECT "episode" FROM "table1_24725951_1" WHERE "directed_and_produced_by"='Karen Selway';