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?
Sentence (from "Eric Clapton"): Eric Patrick Clapton, {'1': ", '2': ", '3': ", '4': "} (born 30 March 1945), is an English rock and blues guitarist, singer, and songwriter.
Relevant evidence: Yes