Question: Daniel W. "Danny" Flowers is best known for his own songs that have been hits for other musicians including an rock and blues guitarist who is the only three-time inductee to what?

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Luboš Andršt: Luboš Andršt (born 26 July 1948, Prague, Czechoslovakia) is a Czech jazz fusion, rock and blues guitarist, composer, producer, and guitar teacher.  Known primarily for his electric rock-influenced guitar playing, he frequently played acoustic guitar on jazz fusion recordings in the 1970s.  Since the late 1990s, he has been best known as the key figure on the Czech blues and blues-rock scene with his Luboš Andršt Blues Band , and has shared the stage with a number of American blues musicians, including B.B. King.

Blind Willie Walker: Blind Willie Walker (April 1896 – March 4, 1933) was an early American blues guitarist and singer, who played the Piedmont blues style.  He was described by blues musicians such as Reverend Gary Davis and Pink Anderson as an outstanding guitarist.  Josh White called him the best guitarist he had ever heard, even better than Blind Blake: "Blake was quick, but Walker was like Art Tatum."  In his performances, he was often accompanied by guitarist Sam Brooks.

Danny Strong: Daniel W. "Danny" Strong (born June 6, 1974) is an American actor, screenwriter, and producer.  As an actor, Strong is best known for his roles as Jonathan Levinson in "Buffy the Vampire Slayer" and Doyle McMaster in "Gilmore Girls".  He also wrote the screenplays for "Recount", the HBO adaptation "Game Change", "Lee Daniels' The Butler", and the two-part finale of "The Hunger Games" film trilogy, "" and "".  Strong also is a co-creator, executive producer, and writer for the Fox series "Empire".

Mr. Lucky (John Lee Hooker album): Mr. Lucky is a 1991 album by American blues singer, songwriter and guitarist John Lee Hooker.  Produced by Ry Cooder, Roy Rogers and Carlos Santana under the executive production of Mike Kappus, the album featured musicians including Keith Richards, Blues Hall of Fame inductee Johnny Winter; and three inductees of the Rock and Roll Hall of Fame, Van Morrison, Booker T. Jones and Johnnie Johnson.  Released on Virgin Records, including on its imprint label Classic Records, Mr. Lucky peaked at #101 on the ""Billboard" 200".

Carlos Johnson (blues musician): Carlos Johnson (born January 17, 1953 in Chicago, Illinois, United States) is an American blues guitarist and singer.  He is left-handed, but plays a right-handed instrument upside-down like players such as Otis Rush and Albert King.  Johnson is known for his aggressive playing which has attracted audiences in Chicago blue scene since the 1970s.  He has played on recordings of notable musicians including Billy Branch & The Sons of Blues and Son Seals.

Danny Flowers: Daniel W. "Danny" Flowers (born 1948, Henderson, North Carolina) is an American songwriter, recording artist, and guitarist who is best known for his own songs that have been hits for other musicians.  These included "Tulsa Time" for Don Williams and Eric Clapton; "Back in My Younger Days" for Don Williams; "Gulf Coast Highway" for Emmylou Harris, Willie Nelson, and Nanci Griffith (co-written with Griffith and James Hooker); and "Before Believing" from Harris' "Pieces of the Sky".  Flowers has also enjoyed a solo recording career including the 2007 album, "Tools for the Soul".  From that album, "I Was a Burden" was recorded by the Blind Boys of Alabama featuring Lee Ann Womack.

Robert A. Johnson: Robert A. Johnson (born in the 1950s) is a rock and blues guitarist based in Memphis, Tennessee who is best known for his work in the 1970s.  He is usually known professionally as "Robert Johnson."  He is no relation to the 1930s era blues guitarist Robert Johnson.

Freddie King: Freddie King (September 3, 1934 – December 28, 1976) was an American blues guitarist and singer.  He has been described as one of the "Three Kings" of electric blues guitar, along with Albert King and B.B. King.  He was an influential guitarist with hits for Federal Records in the early 1960s.  His soulful and powerful voice and distinctive guitar style inspired countless musicians, particularly guitarists (Eric Clapton is a notable example).  He was inducted into the Rock and Roll Hall of Fame in 2012.

Melvin Sparks: Melvin Sparks (March 22, 1946 – March 15, 2011) was an American soul jazz, hard bop and jazz blues guitarist.  He recorded a number of albums for Prestige Records, later recording for Savant Records.  He appeared on several recordings with musicians including Lou Donaldson, Sonny Stitt, Leon Spencer and Johnny Hammond Smith.

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.

Supporting paragraphs: Danny Flowers Eric Clapton
Answer: Rock and Roll Hall of Fame