CREATE TABLE "table1_20205538_4" (
  "series_num" real,
  "episode_num" real,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "original_airdate" text
);

Question: What was the title for episode 2?
SQL: SELECT "title" FROM "table1_20205538_4" WHERE "episode_num"=2;

Question: What is the episode number for series 17?
SQL: SELECT "episode_num" FROM "table1_20205538_4" WHERE "series_num"=17;