Question: Which details of journey had Simon Hoggart as a narrator?
SQL: SELECT "Details of Journey" FROM "2-15211468-5" WHERE "Narrator" = 'Simon Hoggart';

Question: Which countries visited had an episode number of less than 7 when Ray Gosling was the writer?
SQL: SELECT "Countries Visited" FROM "2-15211468-5" WHERE "Episode No." < 7.0 AND "Writer" = 'Ray Gosling';