CREATE TABLE "season_1_b_1938_summer_series" (
  "episode" text,
  "title" text,
  "writer_s" text,
  "preservation" text,
  "original_airdate" text
);

Question: Has Episode 1b-16 (42) been preserved?
SQL: SELECT "preservation" FROM "season_1_b_1938_summer_series" WHERE "episode"='1b-16 (42)';