Detailed Instructions: Answer the question from the given passage. Your answer should be directly extracted from the passage, and it should be a single entity, name, or number, not a sentence.
Problem:Passage: Lindisfarne are a folk-rock group with a strong Tyneside connection. Their most famous song, 'Fog on the Tyne' (1971), was covered by Geordie ex-footballer Paul Gascoigne in 1990. Venom, reckoned by many to be the originators of black metal and extremely influential to the extreme metal scene as a whole, formed in Newcastle in 1979. Folk metal band Skyclad, often regarded as the first folk metal band, also formed in Newcastle after the break-up of Martin Walkyier thrash metal band, Sabbat. Andy Taylor, former lead guitarist of Duran Duran was born here in 1961. Brian Johnson was a member of local rock band Geordie before becoming the lead vocalist of AC/DC. Question: What year was the song Fog on the Tyne released?
Solution:
1971