Definition: In this task, you're given a passage, 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'.
Input: Passage: English musician Thom Yorke has released three studio albums, one soundtrack album, two extended plays, one compilation album, and sixteen singles. The frontman of the alternative rock band Radiohead since 1985, Yorke's first singles as a solo artist were as a featured vocalist on the singles "El President" by Drugstore (which reached the top 20 in the UK) and "Rabbit in Your Headlights" by Unkle. Yorke embarked on a solo career in 2006 whilst still a member of Radiohead with his debut solo album The Eraser, an exploration of electronica. The album was released by XL Recordings, peaking at number three on the UK Albums Chart and number two on the Billboard 200, and included Yorke's highest-charting single, "Harrowdown Hill". An extended play consisting of B-sides, Spitting Feathers, and a remix album, The Eraser Rmxs, were issued in 2006 and 2008, respectively.
Link Information: The band was formed via a flat-share in East London, when Monteiro and American drummer Mike Chylinski met. They were joined by guitarist Dave Hunter and soon released their debut single, "Alive", on their own label Honey Records in 1993. Question: Which of the two groups that Yorke was a featured vocalist for at the beginning of his career as a solo artist was created at an earlier date?
Output:
Answer: U.N.K.L.E.