Question: Jeff Beck was a guitarist for the English rock band formed in London in what year?

full_context: Document 1: Jeff Beck discography: This is a select discography for Jeff Beck, the English rock guitarist who has played with numerous groups including The Yardbirds, The Jeff Beck Group, and Beck, Bogert & Appice.
Document 2: Jeff Beck's Guitar Shop: Jeff Beck's Guitar Shop is the fifth studio album by guitarist Jeff Beck, released in October 1989 through Epic Records. The album reached No. 49 on the U.S. "Billboard" 200 and won the award for Best Rock Instrumental Performance at the 1990 Grammys; this being Beck's second album to win that award, after "Flash" (1985). "Stand on It" was released as a single and reached No. 35 on "Billboard"'s Mainstream Rock chart; "Sling Shot" was featured in the 1990 horror comedy film ""; several other tracks were used as part of the soundtrack for the "South Atlantic Raiders" episodes of the British comedy series "The Comic Strip Presents".
Document 3: The Beatles: The Beatles were an English rock band formed in Liverpool in 1960. With members John Lennon, Paul McCartney, George Harrison and Ringo Starr, they became widely regarded as the foremost and most influential act of the rock era. Rooted in skiffle, beat and 1950s rock and roll, the Beatles later experimented with several musical styles, ranging from pop ballads and Indian music to psychedelia and hard rock, often incorporating classical elements and unconventional recording techniques in innovative ways. In 1963 their enormous popularity first emerged as "Beatlemania", and as the group's music grew in sophistication in subsequent years, led by primary songwriters Lennon and McCartney, they came to be perceived as an embodiment of the ideals shared by the counterculture of the 1960s.
Document 4: The Rolling Stones: The Rolling Stones are an English rock band formed in London in 1962. The first stable line-up consisted of Brian Jones (guitar, harmonica), Mick Jagger (lead vocals), Keith Richards (guitar, backing vocals), Bill Wyman (bass), Charlie Watts (drums), and Ian Stewart (piano). Stewart was removed from the official line-up in 1963 but continued as a touring member until his death in 1985. Jones left the band less than a month prior to his death in 1969, having already been replaced by Mick Taylor, who remained until 1974. After Taylor left the band, Ronnie Wood took his place in 1975 and has been on guitar in tandem with Richards ever since. Following Wyman's departure in 1993, Darryl Jones joined as their touring bassist. Touring keyboardists for the band have been Nicky Hopkins (1967–1982), Ian McLagan (1978–1981), Billy Preston (through the mid-1970s) and Chuck Leavell (1982–present). The band was first led by Jones, but after teaming as the band's songwriters, Jagger and Richards assumed leadership while Jones dealt with legal and personal troubles.
Document 5: Rough and Ready (album): Rough and Ready is the third album by The Jeff Beck Group and the first of two by the second Jeff Beck Group. Released in 1971, it featured more of a jazz, soul and R&B edge to counter Beck's lead guitar. As a songwriter, Beck contributed more pieces to "Rough and Ready" than he had before, or ever would again. Beck enlisted Bobby Tench as vocalist and it is also the first time keyboardist Max Middleton is heard. Other members of this line up are drummer Cozy Powell and bassist Clive Chaman.
Document 6: The Shadows discography: This article presents the discography (including sheet music) of British rock group The Shadows. For releases with Cliff Richard see the Cliff Richard discography.
Document 7: The Jeff Beck Group: The Jeff Beck Group was an English rock band formed in London in January 1967 by former The Yardbirds guitarist Jeff Beck. Their innovative approach to heavy-sounding blues and rhythm and blues was a major influence on popular music.
Document 8: Jeff Beck Group (album): Jeff Beck Group is the fourth studio album by The Jeff Beck Group and the second album with the line up of Jeff Beck, Bobby Tench, Clive Chaman, Max Middleton and Cozy Powell. The album was produced by Steve Cropper and often referred to as the "Orange Album", because of the orange which appears prominently at the top of the front cover.
Document 9: Jimmy Page: James Patrick Page, {'1': ", '2': ", '3': ", '4': "} (born 9 January 1944) is an English musician, songwriter, and record producer who achieved international success as the guitarist and founder of the rock band Led Zeppelin.
Document 10: Jeff Beck: Geoffrey Arnold "Jeff" Beck (born 24 June 1944) is an English rock guitarist. He is one of the three noted guitarists to have played with The Yardbirds (the other two being Eric Clapton and Jimmy Page). Beck also formed The Jeff Beck Group and Beck, Bogert & Appice.
Document 11: The Yardbirds: The Yardbirds are an English rock band, formed in London in 1963. The band's core lineup featured vocalist and harmonica player Keith Relf, drummer Jim McCarty, rhythm guitarist/bassist Chris Dreja and bassist/producer Paul Samwell-Smith. They worked with several lead guitarists, launching the careers of Eric Clapton, Jimmy Page and Jeff Beck, all of whom ranked in the top five of "Rolling Stone" magazine's list of 100 greatest guitarists. The band had a string of hits throughout the mid-1960s, including "For Your Love", "Heart Full of Soul", "Shapes of Things" and "Over Under Sideways Down".
Document 12: Eric Clapton: Eric Patrick Clapton, {'1': ", '2': ", '3': ", '4': "} (born 30 March 1945), is an English rock and blues guitarist, singer, and songwriter. He is the only three-time inductee to the Rock and Roll Hall of Fame: once as a solo artist and separately as a member of the Yardbirds and Cream. Clapton has been referred to as one of the most important and influential guitarists of all time. Clapton ranked second in "Rolling Stone" magazine's list of the "100 Greatest Guitarists of All Time" and fourth in Gibson's "Top 50 Guitarists of All Time". He was also named number five in "Time" magazine's list of "The 10 Best Electric Guitar Players" in 2009.
Document 13: Led Zeppelin: Led Zeppelin were an English rock band formed in London in 1968. The group consisted of guitarist Jimmy Page, singer Robert Plant, bassist and keyboardist John Paul Jones, and drummer John Bonham. The band's heavy, guitar-driven sound has led them to be cited as one of the progenitors of heavy metal, though their unique style drew from a wide variety of influences, including blues, psychedelia, and folk music.
Document 14: The Who: The Who are an English rock band that formed in 1964. Their classic line-up consisted of lead singer Roger Daltrey, guitarist and singer Pete Townshend, bass guitarist John Entwistle, and drummer Keith Moon. They are considered one of the most influential rock bands of the 20th century, selling over 100 million records worldwide and holding a reputation for their live shows and studio work.
Document 15: Beck, Bogert &amp; Appice: Beck, Bogert & Appice were a hard rock supergroup and power trio formed by guitarist Jeff Beck and evolving from The Jeff Beck Group. The line up included bassist Tim Bogert and drummer Carmine Appice who were both previously in Vanilla Fudge and Cactus.
ground_truth: 1963