Question: What nationality was Gary Hocking's MV Agusta teammate who won his first 500cc world championship after Hocking retired?
Sentence (from "Mike Hailwood"): Stanley Michael Bailey Hailwood, {'1': ", '2': ", '3': ", '4': "} , {'1': ", '2': ", '3': ", '4': "} (2 April 1940 – 23 March 1981) was a British Grand Prix motorcycle road racer.
Relevant evidence: Yes