Question: What philosophy is the food writer who rated The Riverside Restaurant as one of his top five seafood restaurants know for?
Sentence (from "Hugh Fearnley-Whittingstall"): Hugh Christopher Edmund Fearnley-Whittingstall (born 14 January 1965) is an English celebrity chef, television personality, journalist, food writer and campaigner on food and environmental issues, known for his back-to-basics philosophy.
Relevant evidence: Yes