Question: Until 2006, the Nissan Sentra was a rebadged export version of a Japanese car that was first built in what year?

Context paragraphs:
Nissan Sentra: The Nissan Sentra is a car produced by Nissan since 1982.  Originally subcompact in classification, for model year 2000 it was reclassified as a compact car.  Until 2006, Sentra was a rebadged export version of the Japanese Nissan Sunny, but since the 2013 model year, Sentra is a rebadged export version of the Nissan Sylphy b17.  The Sentra nameplate is not used in Japan.  Many other countries in South America sell their versions of the Sunny as the Sentra.  In Mexico, the first three generations of the Sentra were known as the Nissan Tsuru (Japanese for crane), and the B13 model is still sold under that name, alongside the updated models badged as Sentra.

Nissan Sylphy: The Nissan Sylphy (previously until 2012 known as Nissan Bluebird Sylphy) is a compact car, produced by the Japanese car maker Nissan, as the successor to the Nissan Pulsar.  Built since 2000 and currently in its third generation, the second generation is still manufactured for certain markets.  Sylphy has also been marketed in export markets under several other model names, including Pulsar and Sentra.

Nissan Vanette: The Nissan Vanette is a cabover van produced by the Japanese automaker Nissan since 1978.  The first two generations were engineered by Nissan's Aichi Manufacturing Division for private, personal ownership, with the last two generations built by Mazda, rebadged as Nissans and refocused as commercial vehicles, based on the Mazda Bongo.  The van has also been sold as the Nissan Sunny-Vanette or Nissan Van.  The private purchase passenger platform was replaced by the Nissan Serena in 1991, renamed Vanette in various international markets, and came equipped with multiple engine and drivetrain configurations.

Infiniti G-series (Q40/Q60): The Infiniti G-series is a line of compact executive/entry-level luxury sports car produced by the Infiniti division of Nissan for the 1991–1996 and 1999–present model years.  The first two generations of the Infiniti G (P10 and P11) were sedans based on the Nissan Primera.  Beginning with its third generation (V35), the Infiniti G have been rebadged versions of the Nissan Skyline line of sedans and coupes that were exported to the United States and Canada.  The current incarnation is the fourth generation (V36) which introduced the hardtop coupe convertible.  The Nissan FM platform, on top of which the third and fourth generations (V35 and V36) of the Infiniti G have been built, also underpins the Nissan 370Z and has shared components with the Infiniti M, Infiniti EX, and Infiniti FX.

Nissan Teana: The Nissan Teana is a mid-size car produced by Nissan of Japan.  It is exported as the Nissan Maxima and Nissan Cefiro and Nissan Sentra to certain markets.  It replaces the Nissan Bluebird and Cefiro.  It shares a platform with the Nissan Maxima and Nissan Altima which are sold in North America, as well as the Japanese market Presage minivan.  The Teana has been available in East Asia, Russia, Ukraine, South Asia, ASEAN, Australia, New Zealand, Latin America and the Caribbean.

Nissan 300C: The Nissan 300C was the export version of the Nissan Cedric Y30 series, a luxury car made by the Japanese manufacturer Nissan.  It was produced between 1984 and 1987 and available as a saloon and an estate.

Nissan Sunny: The Nissan Sunny is a midsize sedan car built by the Japanese automaker Nissan from 1966 to 2006.  In the early 1980s, the brand changed from Datsun to Nissan in line with other models by the company.  Although production of the Sunny in Japan ended in 2006, the name remains in use in the Chinese market for a rebadged version of the Nissan Latio.

Shiro Nakamura: Shiro Nakamura (born October 1950) is a Japanese car designer and company executive.  Nakamura serves as Senior Vice President of Nissan Motor Co. Ltd. Since 2006, Nakamura has been Nissan's Chief Creative Officer.  He is Chief Creative Officer of Nissan, Infiniti and Datsun.  Known as a hands-on creative, he goes by the nickname "Fingers".

Mike Kojima: Mike Kojima is a long-time editor of Nissan Performance Magazine, Turbo and High-Tech Performance, Project Car and Import Tuner magazines, and was an editor for Sport Compact Car (which sponsored the Ultimate Street Car Challenge).  Mike has also written several books on Honda Tuning and General Tech.  His self-professed "reputation" is that of a "nerd" (having worked both for Nissan and TRD as an engineer).  His columns (and indeed his vehicles) reflect the highly technical approach he takes to making power.  One such example is his famous "dog car," an underpowered Nissan Sentra besting many more powerful vehicles (such as Subaru Impreza WRX STIs) on road courses.  He has also been a popular figure on internet forums and mailing lists for many years, such as the SE-R list, which focuses on Nissan SR engines and Twinturbo.net.

Nissan Qashqai: The Nissan Qashqai ( ) is a compact crossover SUV produced by the Japanese car manufacturer Nissan since 2006.  For the first generation, the Qashqai sold under the name Nissan Dualis in Japan and Australia.  Now in its second generation, which was released in 2014, the new model is only badged as Qashqai.  Meanwhile in the United States, it is rebadged as the "Nissan Rogue Sport".

Supporting paragraphs: Nissan Sentra Nissan Sunny
Answer: 1966