Question: Professional Golfer from Argentina was how old when he won the 1967 Open Championship?

full_context: Document 1: Ángel Cabrera: Ángel Cabrera (] ; born 12 September 1969) is an Argentine professional golfer who plays on both the European Tour and PGA Tour. He is known affectionately as ""El Pato"" in Spanish "("The Duck")" for his waddling gait. He is a two-time major champion, with wins at the U.S. Open in 2007 and the Masters in 2009; he was the first (and only) Argentine to win either. He also lost in a sudden death playoff at the Masters in 2013.
Document 2: Darren Clarke: Darren Christopher Clarke, OBE (born 14 August 1968) is a professional golfer from Northern Ireland who currently plays on the European Tour and has previously played on the PGA Tour. He has won 21 tournaments worldwide on a number of golf's main tours including the European Tour, the PGA Tour, the Sunshine Tour and the Japan Golf Tour. His biggest victory came when he won the 2011 Open Championship at Royal St George's in England, his first major win after more than 20 years and 54 attempts.
Document 3: Roberto De Vicenzo: Roberto De Vicenzo (14 April 1923 – 1 June 2017) was a professional golfer from Argentina. He won more than 230 tournaments worldwide in his career including eight on the PGA Tour and most famously the 1967 Open Championship.
Document 4: Guillermo Vilas: Guillermo Vilas (] ; born 17 August 1952) is a retired professional tennis player from Argentina, N°1 of the Grand Prix tennis circuit's Season in 1974, 1975 and 1977, who won four majors, seven Grand Prix Super Series titles and 62 ATP titles. He was inducted into the International Tennis Hall of Fame in 1991. Known for his prolific match play, especially on clay, he became the second man to win more than 900 matches in the Open Era, and his number of match wins on clay are by far the most of the Era. His peak was the 1977 season during which he won two major titles (both on clay), had two long match win streaks of 46 all-surface and 53 on clay, and finished with an Open Era record of match wins. In 2005, Tennis magazine ranked him as the 15th-best male player of the preceding 40 years. He also popularized the between-the-legs tweener shot, also known as the "Gran Willy" in his honor.
Document 5: 1996 Open Championship: The 1996 Open Championship was a men's major golf championship and the 125th Open Championship, held from 18–21 July at the Royal Lytham & St Annes Golf Club in Lytham St Annes, England. Tom Lehman won his only major championship by two strokes over runners-up Mark McCumber and Ernie Els. Lehman built a six-stroke lead after 54 holes and became the first American to win at Lytham since Bobby Jones seventy years earlier.
Document 6: 1968 US Open (tennis): The 1968 US Open (formerly known as U.S. National Championships) was a tennis tournament that took place on the outdoor grass courts at the West Side Tennis Club, Forest Hills in New York, United States. The tournament ran from 29 August until 8 September. It was the 88th staging of the tournament and the fourth Grand Slam event of 1968. It was the first edition of the tournament in the Open Era of tennis and as such for the first time offered prize money, totaling $100,000. Arthur Ashe and Virginia Wade won the singles titles. Ashe was still registered as an amateur and therefore not entitled to the $14,000 first-prize money, which instead went to runner-up Tom Okker, while Wade earned $6,000. Frank Parker, at the age of 52, lost to eventual champion Arthur Ashe in the second round, and still holds the record for the oldest man to compete in a Grand Slam singles tournament.
Document 7: 1966 Canada Cup: The 1966 Canada Cup took place 11–14 November at the Tokyo Yomiuri Country Club in Inagi, Tokyo, Japan. It was the 14th Canada Cup event, which became the World Cup in 1967. The tournament was a 72-hole stroke play team event with 36 teams. These were the same teams that had competed in 1964 with the addition of South Korea and Thailand, but without Egypt, Monaco and Morocco. Each team consisted of two players from a country. The combined score of each team determined the team results. The American team of Jack Nicklaus and Arnold Palmer won by five strokes over the South African team of Harold Henning and Gary Player. The individual competition was won by the Canadian George Knudson, who won at the second hole of a sudden-playoff over the Japanese Hideyo Sugimoto.
Document 8: 1926 Open Championship: The 1926 Open Championship was the 61st Open Championship, held 23–25 June at Royal Lytham & St Annes Golf Club in Lytham St Annes, England. Amateur Bobby Jones won the first of his three Claret Jugs, two strokes ahead of runner-up Al Watrous. Jones was the first amateur to win the title in 29 years, last by Harold Hilton in 1897. Americans finished in the top four spots and it was the fifth victory by an American in six years.
Document 9: Open de Sevilla: The Open de Sevilla was a golf tournament on the European Tour that was played only once, in 2004. It was held at Real Club de Golf de Sevilla, in Seville, Spain. It was won by Argentina's Ricardo González, who finished two strokes ahead of Jonathan Lomas and Stephen Gallacher.
Document 10: 1967 Open Championship: The 1967 Open Championship was the 96th Open Championship, played from 12–15 July at Royal Liverpool Golf Club, Hoylake. Roberto De Vicenzo, 44, won his only major championship, two strokes ahead of runner-up and defending champion Jack Nicklaus.
Document 11: 1971 Masters Tournament: The 1971 Masters Tournament was the 35th Masters Tournament, held April 8–11 at Augusta National Golf Club in Augusta, Georgia. Charles Coody won his only major championship, two strokes ahead of runners-up Johnny Miller and Jack Nicklaus.
Document 12: PGA Assistant Championship: The PGA Assistant Championship is a golf tournament for golf club assistant professionals. It has been held by the PGA of America since 1977. Rules for 2007 have the field made up of the assistant champions from each PGA section, section qualifiers, the defending champion and a representative from the PGA of Australia, The Professional Golfers' Association and the Canadian PGA. The 2015 Champion was Andy Mickelson. Notable players who won this event before competing on the PGA Tour include Loren Roberts (eight PGA Tour wins), Fred Funk (eight PGA Tour wins), and Wes Short, Jr. (one PGA Tour win)
Document 13: 2012 Open Championship: The 2012 Open Championship was a men's major golf championship and the 141st Open Championship, held from 19−22 July at Royal Lytham & St Annes Golf Club in Lytham St Annes, Lancashire, England. Ernie Els won his second Claret Jug, one stroke ahead of runner-up Adam Scott. Tiger Woods and Brandt Snedeker finished tied for third, four strokes behind Els, who gained his fourth major title.
Document 14: Louis Oosthuizen: Lodewicus Theodorus "Louis" Oosthuizen ( ; ] ; born 19 October 1982) is a South African professional golfer who won the 2010 Open Championship. He also holds the distinction of finishing runner-up in all four major championships: the 2012 Masters Tournament losing in a sudden death playoff, the 2015 U.S. Open, the 2015 Open Championship where he was defeated in a four-hole aggregate playoff, and the 2017 PGA Championship. He is the seventh golfer to accomplish this feat, joining Craig Wood, Jack Nicklaus, Arnold Palmer, Tom Watson, Greg Norman, and Phil Mickelson. His highest placing on the Official World Golf Ranking is fourth which he achieved in January 2013.
Document 15: 1952 Open Championship: The 1952 Open Championship was the 81st Open Championship, held 9–11 July at Royal Lytham & St Annes Golf Club in Lytham St Annes, England. This was the second Open at the course, its first was 26 years earlier in 1926.
ground_truth: 44