CREATE TABLE "table1_2618113_1" (
  "no_in_series" real,
  "no_in_season" real,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "original_air_date" text,
  "production_code" text
);

Question: Who directed k0122?
SQL: SELECT "directed_by" FROM "table1_2618113_1" WHERE "production_code"='K0122';

Question: Which season had k0104?
SQL: SELECT MAX("no_in_season") FROM "table1_2618113_1" WHERE "production_code"='K0104';

Question: Which season had "angel"?
SQL: SELECT "no_in_season" FROM "table1_2618113_1" WHERE "title"='\"Angel\"';

Question: What was the airdate of k0120?
SQL: SELECT "original_air_date" FROM "table1_2618113_1" WHERE "production_code"='K0120';