Question: where was the first mcdonald's restaurant opened
Answer: United States of America; U.S.A.; the USA; the United States; U. S. A.; USA; US of A; the US; United States; U. S.; U.S.; America; the United States of America; US; San Bernardino County; San Bernardino County, California; California; State of California; CA; The Golden State; San Bernardino; San Bernardino, CA; San Bernardino, California; North America; NA