Question: Joan Merriam Smith began and ended her flight in the city that is the seat of what county?
Sentence (from "Joan Merriam Smith"): Joan Merriam Smith (c. 1937–1965) was an American aviator famous for her 1964 solo flight around the world that began and ended in Oakland, California, as she set out to follow the same route as the 1937 flight plan of Amelia Earhart.
Relevant evidence: Yes