CREATE TABLE table_70172 ("Month & Year" TEXT, "Episode" TEXT, "Title" TEXT, "Hammond's vehicle" TEXT, "Clarkson's vehicle" TEXT, "May's vehicle" TEXT, "Back-up" TEXT, "Budget" TEXT)

Which episode of Top Gear had a budget of 7,000?
SELECT "Episode" FROM table_70172 WHERE "Budget" = '£7,000'
SELECT "Episode" FROM "table_70172" WHERE "Budget" = '£7,000'