Question: Where was the rock bank with which Jorma Kaukonen was best know for his work based? 
Sentence (from "Jorma Kaukonen"): Jorma Ludwik Kaukonen, Jr. ( ; ; born December 23, 1940) is an American blues, folk, and rock guitarist, best known for his work with Jefferson Airplane and Hot Tuna. "
Relevant evidence: Yes