Question: Airtel Super Singer 4 included a guest judge who was a veteran singer of what languages?
Sentence (from "Airtel Super Singer 4"): To name a few- S. Janaki, M. S. Viswanathan, A. R. Rahman, P. Susheela, Asha Bhosle, S. P. Balasubrahmanyam, Vairamuthu, L. R. Eswari and Vani Jairam.
Relevant evidence: Yes