Question: What Generation is the car that the Roewe is based on in?

full_context: Document 1: Ford Fusion (Americas): The Ford Fusion is a four-door, five passenger mid-size sedan manufactured and marketed by Ford across three generations in gasoline and gas/electric hybrid variants. Introduced for model year 2006, the Fusion is manufactured at Ford's Hermosillo Stamping & Assembly plant along with its rebadged variant the Lincoln MKZ — and formerly with its now discontinued rebadged variant, the Mercury Milan, all sharing the CD3 platform. The Ford Fusion mainly competes against cars such as the Buick Regal, Chevrolet Malibu, Honda Accord, Hyundai Sonata, Kia Optima, Mitsubishi Lancer, Nissan Altima, Toyota Camry and Volkswagen Passat.
Document 2: BMW X3: The BMW X3 is a compact luxury crossover SUV manufactured by German automaker BMW since 2003. Based on the BMW 3 Series platform, and now in its third generation, BMW markets the crossover as a "Sports Activity Vehicle", the company's proprietary descriptor for its X-line of vehicles. The first generation X3 was designed by BMW in conjunction with Magna Steyr of Graz, Austria—who also manufactured all X3s under contract to BMW. BMW manufactures the second generation X3 at their Spartanburg plant in South Carolina, United States.
Document 3: Buick LaCrosse: The Buick LaCrosse is a large/mid-size luxury car manufactured and marketed by Buick since 2004. The LaCrosse is now in its third generation, slotted above the Buick Regal as the brand's flagship.
Document 4: Roewe 350: The Roewe 350 is a small family car produced by Roewe in China from 2010 onwards. It is sold in international markets as the MG 350.
Document 5: LaSalle (automobile): LaSalle was an American brand of luxury automobiles manufactured and marketed by General Motors' Cadillac division from 1927 through 1940. Alfred P. Sloan developed the concept for LaSalle and certain other General Motors' marques in order to fill pricing gaps he perceived in the General Motors product portfolio. Sloan created LaSalle as a companion marque for Cadillac. LaSalle automobiles were manufactured by Cadillac, but were priced lower than Cadillac-branded automobiles and were marketed as the second-most prestigious marque in the General Motors portfolio.
Document 6: Roewe W5: The Roewe W5 is a mid-size luxury SUV manufactured by Roewe in China, first unveiled at the Auto Shanghai exhibition in 2011. It is based on the SsangYong Kyron and is sold only in China.
Document 7: Buick Verano: The Buick Verano is a front engine, front-wheel drive layout, four-door, five passenger, entry-level luxury compact car manufactured by General Motors for its Buick brand at the Orion Assembly plant in Orion Township, Michigan and in China by GM's Joint Venture with SAIC Motor, SAIC-GM (also called Shanghai GM). The Verano debuted at the North American International Auto Show on January 10, 2011, during a preview of Buick's then upcoming 2012 model. It is the first compact marketed by Buick in the United States since the 1998 Buick Skylark. "Verano" is Spanish for summer.
Document 8: Hyundai Genesis: The Hyundai Genesis (Korean: 현대 제네시스 ) is a full-size / executive four-door, five passenger, rear-wheel-drive luxury sedan manufactured and marketed by Hyundai since 2008 and now in its second generation.
Document 9: Roewe: Roewe is a vehicle marque created by the Chinese automaker SAIC Motor in 2006. Roewe vehicles were initially based on technology acquired from defunct British carmaker MG Rover. SAIC was unable to purchase the rights to the Rover brand name and created the Roewe marque as a replacement. The MG name is preferred in most markets outside China.
Document 10: Roewe 550: The Roewe 550 is a mid-size car that is produced by Roewe in China and was launched at the 2008 Beijing Motor Show. The 550 is reported to be derived from the MG Rover RDX60 project (itself based on the platform of the Rover 75) which was under development when MG Rover failed.
Document 11: Roewe 750: The Roewe 750 is an executive saloon that was produced by Roewe in China between 2006-2016, based on the Rover 75.
Document 12: Roewe E50: The Roewe E50 is an all-electric car that is manufactured by the Chinese manufacturer Roewe.
Document 13: Roewe 950: The Roewe 950 is a large four-door saloon that is produced by Roewe in China and is based on the 2010 Buick LaCrosse. It was first shown to the public at the 2012 Beijing International Motor Show.
Document 14: BMW 3 Series: The BMW 3 Series is an entry-level luxury car manufactured by the German automaker BMW since May 1975. It is the successor to the 02 Series and has been produced in six different generations.
Document 15: Buick Gran Sport: The Gran Sport name has been used on several high-performance cars built by Buick since 1965. In the GM brands hierarchy, Buick was surpassed in luxury and comfort appointments only by Cadillac, which did not produce performance models. As a result, the Buick GS series were the most opulently equipped GM sport models of their era.
ground_truth: third generation