Question: This man finished third in the 1951 Pau Grand Prix and also was the Italian champion in what years?

Context paragraphs:
2016 Pau Grand Prix: The 2016 Pau Grand Prix was a Formula Three motor race held on 15 May, 2016 at the Pau circuit, in Pau, Pyrénées-Atlantiques, France.  The Grand Prix was run as the third round of the 2016 European Formula 3 Championship and was won by Alessio Lorandi, driving for Carlin.  Lance Stroll finished second and George Russell third.

1951 Pau Grand Prix: The 1951 Pau Grand Prix was a non-championship Formula One motor race held on 26 March 1951 at the Pau circuit, in Pau, Pyrénées-Atlantiques, France.  The Grand Prix was won by Luigi Villoresi, driving the Ferrari 375.  Louis Rosier finished second and Giuseppe Farina third.

1970 Pau Grand Prix: The 1970 Pau Grand Prix was a Formula Two motor race held on 5 April 1970 at the Pau circuit, in Pau, Pyrénées-Atlantiques, France.  The Grand Prix was won by Jochen Rindt, driving the Lotus 69.  Henri Pescarolo finished second and Tim Schenken third.

Giuseppe Farina: Dottore Emilio Giuseppe "Nino" Farina (30 October 1906 – 30 June 1966), was an Italian racing driver and was the first official Formula One World Champion, gaining the title in 1950.  He was also the Italian Champion in 1937, 1938 and 1939.  During his thirty-year racing career he suffered a series of accidents.

1971 Pau Grand Prix: The 1971 Pau Grand Prix was a Formula Two motor race held on 25 April 1971 at the Pau circuit, in Pau, Pyrénées-Atlantiques, France.  The Grand Prix was won by Reine Wisell, driving the Lotus 69C.  Jean-Pierre Jabouille finished second and Jean-Pierre Jaussaud third.

1969 Pau Grand Prix: The 1969 Pau Grand Prix was a Formula Two motor race held on 20 April 1969 at the Pau circuit, in Pau, Pyrénées-Atlantiques, France.  The Grand Prix was won by Jochen Rindt, driving the Lotus 59B.  Jean-Pierre Beltoise finished second and Piers Courage third.

1938 Pau Grand Prix: The 1938 Pau Grand Prix was a motor race held on 10 April 1938 at the Pau circuit, in Pau, Pyrénées-Atlantiques, France.  The Grand Prix was won by René Dreyfus, driving the Delahaye 145.  Rudolf Caracciola and Hermann Lang combined to finish second and Gianfranco Comotti finished third.

Pau Grand Prix: The Pau Grand Prix (French: "Grand Prix de Pau" ) is a motor race held in Pau, in the Pyrénées-Atlantiques department of southwestern France.  The French Grand Prix was held at Pau in 1930, leading to the annual Pau Grand Prix being inaugurated in 1933.  It was not run during World War II.

1933 Pau Grand Prix: The 1933 Pau Grand Prix was a motor race held on 19 February 1933 at the Pau circuit, in Pau, Pyrénées-Atlantiques, France.  It was the inaugural Pau Grand Prix (i.e. the first race that actually held "Grand Prix de Pau" title), although the numbering of the races may not have reflected this due to a confusion about the 1901 race at Pau.  The Grand Prix was won by Marcel Lehoux, driving the Bugatti T51.  Guy Moll finished second and Philippe Étancelin third.

1972 Pau Grand Prix: The 1972 Pau Grand Prix was a Formula Two motor race held on 5 May 1972 at the Pau circuit, in Pau, Pyrénées-Atlantiques, France.  The Grand Prix was won by Peter Gethin, driving the Chevron B20.  Patrick Depailler finished second and David Purley third.

Supporting paragraphs: 1951 Pau Grand Prix Giuseppe Farina
Answer: 1937, 1938 and 1939