user: Question: Which countries visited had an episode number of less than 7 when Ray Gosling was the writer?
Columns: ['Episode No.', 'Episode Title', 'UK Broadcast Date', 'Narrator', 'Writer', 'Details of Journey', 'Countries Visited']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, '"The Gold Rush Line"', '1983-02-15', 'Simon Hoggart', 'Simon Hoggart', 'White Pass and Yukon Route', 'Alaska , USA and Yukon , Canada']
SQL:

assistant: SELECT "Countries Visited" FROM "Table" WHERE "Episode No." < 7.0 AND "Writer" = 'Ray Gosling';