Question: The Highland Park and Lake Burien Railway runs from Everett to a city in what county?

Related documents: [0]  [DOC] The Highland Park and Lake Burien Railway was a branch of the Interurban System that went from Everett to Tacoma in Washington state. A branch came off about Spokane Street going west to near the Steel Mill. It went up nearly parallel to Delridge Way to White Center then on to Burien to end just north of "Kirks Feedstore". It had one passenger car and frequently had a flat car attached for it also carried freight. [END] 
[1]  [DOC] Tacoma ( ) is a mid-sized urban port city in and the county seat of Pierce County, Washington, United States. The city is on Washington's Puget Sound, 32 mi southwest of Seattle, 31 mi northeast of the state capital, Olympia, and 58 mi northwest of Mount Rainier National Park. The population was 198,397, according to the 2010 census. Tacoma is the second-largest city in the Puget Sound area and the third largest in the state. Tacoma also serves as the center of business activity for the South Sound region, which has a population of around 1 million. [END]  
Answer: Pierce County
Pierce County