Question: In what year was the driver who was leader of the standings at the time of the 1997 Molson Indy Vancouver born?

full_context: Document 1: Ernst van Dyk: Ernst Francois van Dyk OIS (born 4 April 1973) is a South African wheelchair racer and handcyclist. He has won a record 10 wheelchair titles in the Boston Marathon. He was also awarded the Laureus World Sports Awards for "Sportsperson with a Disability of the year" for 2006. At the 2000 Summer Paralympics in Sydney, he won a bronze medal in the 400 metres. At the 2004 Summer Paralympics in Athens, he won a silver medal in the 800 metre race, another silver in the 1500 metres, and a bronze in the 5000 metres. At the 2008 Summer Paralympics in Beijing van Dyk won gold in the handcycling road race as well as bronze in the wheelchair marathon. Other handcycling achievements include: Obtaining a silver and bronze medal at the 2009 UCI Para-cycling Road World Championships held in Italy and taking double gold (road race and time trial) at the 2007 UCI Para-cycling Road World Championships held in Bordeaux.
Document 2: Antonio Giovinazzi: Antonio Giovinazzi (born 14 December 1993) is an Italian racing driver. He was the 2015 FIA European Formula 3 Championship runner-up and raced with Prema in the 2016 International GP2 Series, finishing in second place with five wins and eight overall podiums. Giovinazzi has been chosen by Scuderia Ferrari as their FIA Formula 1 third and reserve driver for the 2017 season. He made his Formula One Grand Prix debut for Sauber at the 2017 Australian Grand Prix, replacing Pascal Wehrlein. He also replaced Wehrlein at the following Chinese Grand Prix as Wehrlein continued his recovery.
Document 3: 1998 Molson Indy Vancouver: The 1998 Molson Indy Vancouver was the fifteenth round of the 1998 CART FedEx Champ Car World Series season, held on September 6, 1998, at Concord Pacific Place in Vancouver, British Columbia, Canada. Dario Franchitti took his second consecutive win at this race, after passing Michael Andretti for the lead with seven laps left. In doing so, Franchitti became the first driver to win a race from pole for over a year.
Document 4: 1997 Molson Indy Vancouver: The 1997 Molson Indy Vancouver was the 15th round of the 1997 CART season. At that time, the Italian driver Alex Zanardi was the leader of the standings with 39 points in front of the French-Brazilian driver Gil de Ferran.
Document 5: 1994 Canadian Grand Prix: The 1994 Canadian Grand Prix was a Formula One motor race held on 12 June 1994 at the Circuit Gilles Villeneuve in Montreal, Quebec, Canada. The 69-lap race was the sixth round of the 1994 Formula One season and the 32nd Canadian Grand Prix. The race was won by Benetton driver Michael Schumacher, who took his fifth victory of the season and extended his lead in the drivers' standings to 33 points. Damon Hill and his team, Williams, were second in their respective championships, as well as second in the race, and were Schumacher and Benetton's main rivals over the season. Jean Alesi completed the podium by finishing in third place for Ferrari.
Document 6: Formula One drivers from Canada: There have been thirteen Formula One drivers from Canada, three of whom have scored points. Gilles Villeneuve, rated amongst the greatest drivers of all time, died while qualifying for his 68th race. His son, Jacques Villeneuve won the World Drivers' Championship in 1997. Canadian drivers were absent from Formula One since his departure in 2006, until the arrival of Lance Stroll in 2017, who scored his first career points at the 2017 Canadian Grand Prix.
Document 7: 2001 Molson Indy Vancouver: The 2001 Molson Indy Vancouver was a Championship Auto Racing Teams (CART) motor race held on September 2, 2001 at Concord Pacific Place in Vancouver, British Columbia, Canada. It was the 15th round of the 2001 CART season. Roberto Moreno won the shortened race by five seconds over Gil de Ferran and Michael Andretti.
Document 8: Roberto Alcaide García: Roberto Alcaide Garcia (born March 22, 1978 in Madrid) is a cyclist from Spain. He has a physical disability: He is a C4/LC2 type cyclist. He raced at the 2004 Summer Paralympics. He was the first racer to finish in the Individual Pursuit track LC2 race. He finished second in the Combined Road LC2 race. He raced at the 2008 Summer Paralympics. He was the second racer to finish in the Individual Pursuit track LC2 race. He was the third racer to finish in the Road Trial LC2 race. He raced at the 2012 Summer Paralympics. In November 2013, he was awarded a €8,000 scholarship from the Madrid Olympic Foundation to support his efforts to qualify for the 2016 Summer Paralympics.
Document 9: Vincenzo Tota: Dr. Vincenzo Tota (born in Florence, Italy) is a medical doctor specializing in sports medicine. He received his degree in Medicine and Surgery in 1982 from University of Siena, in Siena, Italy. For most of the past two decades, Dr. Tota has managed the medical care of numerous race car teams, including fitness training and nutrition for race drivers, in Formula One, off-road and sports car racing. A former off-road and offshore powerboat racer himself, Dr. Tota understands the physical toll of sports competition.
Document 10: Dario Franchitti: George Dario Marino Franchitti, MBE (born 19 May 1973), known professionally as Dario Franchitti, is a retired Scottish racing driver. He is a four time IndyCar Series champion (2007, 2009, 2010, 2011), a three-time winner of the Indianapolis 500 (2007, 2010, 2012) as well as a winner of the 24 Hours of Daytona (2008). Franchitti started his career in his native United Kingdom in the early 1990s, competing in Formula Vauxhall and Formula Three and was also the winner of the McLaren Autosport BRDC Award in 1992. After Franchitti did not secure a single-seater drive in 1995, he was contracted by the AMG team to compete in touring cars in the DTM and its successor — the International Touring Car Championship. Despite 2 seasons with relative success, the series folded at the end of the 1996 season, again leaving Franchitti without a drive. Mercedes placed Franchitti in CART in 1997 with the Hogan Racing team.
Document 11: Alex Zanardi: Alessandro "Alex" Zanardi (] ; born 23 October 1966) is an Italian professional racing driver and paracyclist.
Document 12: 2000 Molson Indy Vancouver: The 2000 Molson Indy Vancouver was a Championship Auto Racing Teams (CART) motor race held on September 3, 2000 at Concord Pacific Place in Vancouver, British Columbia, Canada. It was the 15th round of the 2000 CART season. Paul Tracy won the race by less than half a second over his teammate Dario Franchitti with Adrian Fernández taking third place.
Document 13: 1999 Molson Indy Vancouver: The 1999 Molson Indy Vancouver was a Championship Auto Racing Teams (CART) motor race held on September 5, 1999 at Concord Pacific Place in Vancouver, British Columbia, Canada. It was the 16th round of the 1999 CART season. Juan Pablo Montoya won the race from pole position and led nearly every lap en route to his seventh win of the season, followed by Patrick Carpentier and Jimmy Vasser.
Document 14: Michele Alboreto: Michele Alboreto (23 December 1956 – 25 April 2001) was an Italian racing driver. He was runner up to Alain Prost in the 1985 Formula One World Championship, as well as winning the 1997 24 Hours of Le Mans and 2001 12 Hours of Sebring sports car races. Alboreto competed in Formula One from until , racing for a number of teams, including five seasons (1984–88) for Ferrari.
Document 15: 2001 Molson Indy Toronto: The 2001 Molson Indy Toronto was a Championship Auto Racing Teams (CART) motor race held on July 15, 2001, at the Exhibition Place circuit in Toronto, Ontario, Canada. It was the tenth round of the 2001 CART season, the 16th annual edition of the Molson Indy Toronto, and the first of two events that were held in Canada. The 95-lap race was won by Team Motorola driver Michael Andretti, who started from the 13th position. Alex Tagliani finished second for the Forsythe Racing team, and Fernandez Racing driver Adrián Fernández came in third.
ground_truth: 1966