Question: Which city, located about 12 miles north of Detroit city limits, was the location of the Olympian Motors Company? 

Context articles: Woodward Dream Cruise
Olympian (automobile)
Detroit Zoo
WYCD
Scott Lake (Washington)
Ypsilanti, Michigan
Warrendale, Detroit
SAIC-GM
Pontiac, Michigan
Grand Boulevard (Detroit)

The Woodward Dream Cruise event is a classic car event held annually on the third Saturday of August in Metropolitan Detroit, Michigan, along Woodward Avenue, a major thoroughfare built in the early 20th century.
 The WDC Event spans much of the avenue: drivers travel from the suburbs of Pontiac through Ferndale in Oakland County, Michigan, to the State Fair Grounds within the Detroit city limits, just south of 8 Mile Road.
 An estimated one million spectators attended the 2009 Woodward Dream Cruise.
The Olympian was an automobile built in Pontiac, Michigan, USA, by the Olympian Motors Company from 1917 to 1921.
 Two Olympian models were built, a touring car called the Tourist and a four-seat roadster called the Gypsy.
 They came equipped with a four-cylinder engine.
 Both models sold for $695.
The Detroit Zoo is located about 2 mi north of the Detroit city limits at the intersection of Woodward Avenue, 10 Mile Road, and Interstate 696 in Royal Oak and Huntington Woods, Michigan, United States.
 The Detroit Zoological Society (DZS), a non-profit organization, operates both the Detroit Zoo and the Belle Isle Nature Center, located in the city of Detroit.
 The Detroit Zoo is one of Michigan's largest family attractions, hosting more than 1.6 million visitors annually.
 Situated on 125 acres of naturalistic exhibits, it provides a natural habitat for more than 2,000 animals representing 245 species.
 The Detroit Zoo was the first zoo in the United States to use barless exhibits extensively.
WYCD (99.5 FM, "99.5 WYCD") is a radio station in Detroit, Michigan.
 WYCD's offices and studios are located at CBS Radio's Detroit facility on American Drive in Southfield, Michigan.
 WYCD's transmitter is located in Royal Oak Township in Oakland County off Wyoming Avenue just north of the Detroit city limits.
 WYCD can be heard as far north as Peck, MI, and throughout southern Sanilac County, and parts of Tuscola County.
 It can also be heard in Toledo, OH.
Scott Lake is a lake in Thurston County, Washington, United States.
 It is located 3.2 mi south of the Tumwater city limits, 8.4 mi south of the Olympia city limits, and 14.1 mi north of the Centralia city limits.
 The location for Scott Lake is in Sections 33 and 34, Township 17N, Range 2W, Willamette Meridian.
Ypsilanti ( ; often mispronounced ), commonly shortened to Ypsi, is a city in Washtenaw County in the U.S. state of Michigan, perhaps best known as the home of Eastern Michigan University.
 As of the 2010 census, the city's population was 19,435.
 The city is bounded to the north by Superior Township and on the west, south, and east by Ypsilanti Township.
 Ypsilanti is located 6 miles (10 km) east of Ann Arbor and about 18 miles (29 km) west of the Detroit city limits.
Warrendale is a community in far western Detroit, Michigan.
 It is bordered by Greenfield East Road, Joy Road, and the Detroit city limits.
 Warrendale neighbors Dearborn on two sides and Dearborn Heights on another side.
SAIC General Motors Corporation Limited (More commonly known as SAIC-GM; ; formerly known as Shanghai General Motors Company Ltd, Shanghai GM; ) is a joint venture between General Motors Company and SAIC Motor that manufactures and sells Chevrolet, Buick, and Cadillac brand automobiles in mainland China.
 SAIC-GM was founded on June 12, 1997 with 50% investment each from each partner.
 SAIC-GM began assembling the venture's first vehicle, the Buick Regal, in Shanghai, China in 1999.
Pontiac is a city in the U.S. state of Michigan, located in Metro Detroit.
 As of the 2010 census, the city had a total population of 59,515.
 It is the county seat of Oakland County, and about 12 mi north and slightly west of the Detroit city limits.
Grand Boulevard is a thoroughfare in Detroit, Michigan, running east to west in some places and north to south in other places and is approximately 11 miles in length.
 It once constituted the city limits of Detroit.
 Grand Boulevard is named the "Berry Gordy, Jr.
 Boulevard" in the area where the Motown Historical Museum is located and the "General Motors Boulevard" in the area of Detroit's "New Center" where the Fisher Building and Cadillac Place (formerly the General Motors Building) are located.
 Grand Boulevard is commonly referred to by residents of the city simply as "the Boulevard".