Question: Which large auto show featured the Buick Centieme in 2003?

Context paragraphs:
Buick Bolero: The Bolero was a concept car showcased by Buick in 1990.  It was displayed at the Detroit Auto Show in January 1990 and the Chicago Auto Show in February 1990.  It formed some of the basis for the 1992 Buick Skylark.

North American International Auto Show: The North American International Auto Show (NAIAS) is an annual auto show held in Detroit, Michigan at Cobo Center, usually in January.  It is among the largest auto shows in North America.

Washington Auto Show: The Washington Auto Show (WAS) is an annual local auto show held in Washington, D.C. at the Walter E. Washington Convention Center usually in late January.  It is among the largest auto shows in North America, trailing only the North American International Auto Show in Detroit (NAIAS), the LA Auto Show, the New York International Auto Show (NYIAS) and the Chicago Auto Show in size.  It is sometimes also referred to as the D.C. Auto Show.  The event has evolved to emphasize and showcase the latest innovations in sustainable automotive technologies.  Since 2008 the winners of the Green Car Vision Award are announced during the show.

Philadelphia Auto Show: The Philadelphia Auto Show, also known as the Philadelphia International Auto Show is an annual auto show held in late January and early February in Philadelphia, Pennsylvania at the Pennsylvania Convention Center.  The 2017 Philadelphia Auto Show is January 28-February 5.

Buick Enclave: The Buick Enclave is a full-size luxury crossover SUV launched in 2007.  The Enclave, the GMC Acadia, and Chevrolet Traverse all share the GM Lambda platform.  The Enclave was previewed at the 2006 North American International Auto Show, officially as a concept car, making it the first Lambda vehicle to be displayed.  The Enclave is partially based on the Buick Centieme concept shown at the 2003 Detroit Auto Show.

Greater Milwaukee Auto Show: The Greater Milwaukee Auto Show is an annual auto show held every year between late February and early March in Milwaukee, Wisconsin.  The event takes place at the Wisconsin Center in Downtown Milwaukee, and is affiliated with the "Motor Trend" regional auto show circuit.  The Automotive Dealers Association of Mega Milwaukee (ADAMM) serves as the primary producer, sponsor and owner of the event, with the "Milwaukee Journal Sentinel" serving as the media sponsor.  Prior to the events, an auto show gala is held the day before the main show is opened to the public.

Memphis International Auto Show: The Memphis International Auto Show is an annual auto show held every January in Memphis, Tennessee.  The event takes place at the Cook Convention Center in Downtown Memphis and is affiliated with the "Motor Trend" regional auto show circuit.  Despite the event's title name, not all vehicles or automakers are featured due to the limited convention space.  Although the event is opened to visitors in the greater Memphis area, including residents from Arkansas and Mississippi, it is mandated at all auto shows in Tennessee that under state law, no sales may take place on the premises, and signs to that effect must be posted.  The 2016 event took place from January 8–10.

Buick Centieme: The Buick Centieme is a concept car that was produced for the 2003 North American International Auto Show in Detroit by Buick.  Its styling provided the basis for the later Buick Enclave show and production vehicles.

Cadillac Cien: The Cadillac Cien is a 2-door rear mid-engined, rear-wheel-drive high performance concept car created by Cadillac, designed by Simon Cox, and unveiled at the 2002 Detroit Auto Show to celebrate Cadillac's 100th anniversary ("cien" is Spanish for one hundred, which compares the Buick Centieme).  It was featured in the 2005 film "The Island" and the 2014 film "".  It was also a car in Midnight Club 3 (a 2005 game for Xbox and PS2), and the Gran Turismo games 4 (a PS2 game released in 2004), PSP, 5, and 6.

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.

Supporting paragraphs: Buick Centieme North American International Auto Show
Answer: North American International Auto Show