CREATE TABLE "table1_15211468_1" (
  "episode_no" text,
  "episode_title" text,
  "uk_broadcast_date" text,
  "presenter" text,
  "details_of_journey" text,
  "countries_visited" text
);

Question: What are the details of the journey for the episode titled "Zambezi Express"?
SQL: SELECT "details_of_journey" FROM "table1_15211468_1" WHERE "episode_title"='\"Zambezi Express\"';

Question: What was the UK broadcast date for the episode which visited USA?
SQL: SELECT "uk_broadcast_date" FROM "table1_15211468_1" WHERE "countries_visited"='USA';

Question: What are the details of the journey for the episode titled "Deccan"?
SQL: SELECT "details_of_journey" FROM "table1_15211468_1" WHERE "episode_title"='\"Deccan\"';

Question: What countries are visited in the episode presented by Brian B. Thompson?
SQL: SELECT "countries_visited" FROM "table1_15211468_1" WHERE "presenter"='Brian B. Thompson';

Question: What is the episode title for the episode numbered #1.4?
SQL: SELECT "episode_title" FROM "table1_15211468_1" WHERE "episode_no"='#1.4';