In this task, you're given a statement, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.
Q: Context: Like Mezmerize, it debuted at No. 1 in the US, making System of a Down, along with The Beatles, Guns N' Roses, and rappers 2Pac and DMX, the only artists to ever have two studio albums debut at No. 1 in the same year. Link Information: The Beatles were an English rock band formed in Liverpool in 1960. Question: Of all the artists to have two studio albums debut at No. 1 in the same year, which is the oldest?
A:
Answer: The Beatles