CREATE TABLE "series_2_spearhead_in_germany" (
  "episode_num" text,
  "original_air_date_uk" text,
  "episode_title" text,
  "director" text,
  "writer" text,
  "cast" text
);

Question: If the episode number is 2-01 what is the original UK air date?
SQL: SELECT "original_air_date_uk" FROM "series_2_spearhead_in_germany" WHERE "episode_num"='2-01';

Question: If the episode title is Pressures, what are the names of the cast?
SQL: SELECT "cast" FROM "series_2_spearhead_in_germany" WHERE "episode_title"='Pressures';

Question: What is the episode number for episode title Leave Takers?
SQL: SELECT "episode_num" FROM "series_2_spearhead_in_germany" WHERE "episode_title"='Leave Takers';

Question: For episode number 2-03, what are the names of the cast?
SQL: SELECT "cast" FROM "series_2_spearhead_in_germany" WHERE "episode_num"='2-03';