CREATE TABLE "season_18_1954" (
  "episode" text,
  "title" text,
  "writer_s" text,
  "preservation" text,
  "original_airdate" text
);

Question: Which writer wrote episode 18-09 (652)?
SQL: SELECT "writer_s" FROM "season_18_1954" WHERE "episode"='18-09 (652)';

Question: What episode was written by jonathan lewis?
SQL: SELECT "episode" FROM "season_18_1954" WHERE "writer_s"='jonathan lewis';