Question: What is the largest city in Macomb County and was the headquarters of American Specialty Cars?
Context: Richmond is a city on the border between Macomb and St. Clair counties within Metro Detroit and the U.S. state of Michigan.  The population was 5,735 at the 2010 census.  Most of the city is located in Macomb County, though there is a small portion in St. Clair County.  The city is adjacent to Richmond Township and Lenox Township in Macomb County, although it is administratively autonomous.  It is also adjacent to St. Clair County's Columbus Township and Casco Township. American Specialty Cars (commonly known as ASC) was an automobile supplier of highly engineered and designed roof systems, body systems and other specialty-vehicle systems for the world’s automakers.  The company was headquartered in Warren, Michigan, in the United States and was one of several coach convertible builders.  ASC sold assets to it's Creative Services division in late 2016 to Roush Industries.  In late June 2017, ASC effectively ceased operations, laying off all staff and had tooling and production equipment removed from the manufacturing plant in Lexington, KY. The Macomb Daily is a daily newspaper with its headquarters in Clinton Township, Macomb County, Michigan in Metro Detroit.  It is the only daily newspaper serving Macomb County, making the county the largest in Michigan in terms of population with only one daily newspaper.  It is owned by the Journal Register Company. Warren is a city in Macomb County in the U.S. state of Michigan.  The 2010 census places the city's population at 134,056, making Warren the largest city in Macomb County, the third largest city in Michigan, and Metro Detroit's largest suburb. Sterling Heights is a city in Macomb County of the U.S. state of Michigan, and one of Detroit's core suburbs.  As of the 2010 census, the city had a total population of 129,699.  It is the second largest suburb in Metro Detroit, and the fourth largest city in Michigan.  Sterling Heights consistently ranks as the safest city in Michigan with population over 100,000. The Macomb County Board of Commissioners serves as the "county commission", or legislative body for Macomb County, Michigan, United States, the third largest county in Michigan with a population of 840,978, according to the 2010 census. Candice Sue Miller (née McDonald; born May 7, 1954) is an American politician who was the U.S. Representative for Michigan 's 10 congressional district from 2003 to 2017.  She is former Michigan Secretary of State, Macomb County Treasurer, and Harrison Township Supervisor.  She is a member of the Republican Party.  In November 2016, she was elected Macomb County Public Works commissioner, defeating 6-term incumbent Anthony Marrocco. Chippewa Valley Schools is a school district with its headquarters located in Clinton Township, Macomb County, Michigan.  The Chippewa Valley School district covers 28 square miles serving in the Clinton and Macomb Townships.  It is the eighth largest school district out of 788 public and charter schools in Michigan and the second largest school district in Macomb County.  Chippewa Valley school district teaches 16,300 students each day.  Those students attend school at twelve Elementary, four Middle, two ninth grade centers, three High Schools, one International Academy of Macomb (IAM) High School, and one preschool center. Macomb County is a county located in the eastern portion of the U.S. state of Michigan.  As of the 2010 census, the population was 840,978, making it the third-most populous county in the state.  Of Michigan's five largest counties, Macomb experienced the most population growth (6.7%) between 2000 and 2010.  The county seat is Mt. Clemens. Sarah Roberts (born December 9, 1974) is an American politician from the state of Michigan.  Since 2009, she has served in the Michigan State House of Representatives.  A Democrat, Roberts represents the 24th State House District, which is located in eastern Macomb County and includes the city of St. Clair Shores and Harrison Township, as well as the small portion of Grosse Pointe Shores that is located within Macomb County.  Prior to being elected in 2008, Roberts represented Northern St. Clair Shores in the Macomb County Commission.
Answer: Warren, Michigan