Question: Between Charles M. Schulz–Sonoma County Airport and Lake Hood Seaplane Base, which airport is of a larger scale?
Related documents: [0]  [DOC] Lake Hood Seaplane Base (ICAO: PALH, FAA LID: LHD) is a state-owned seaplane base located three nautical miles (6 km) southwest of the central business district of Anchorage in the U.S. state of Alaska. The Lake Hood Strip (ICAO: PALH, FAA LID: LHD) is a gravel runway located adjacent to the seaplane base. The gravel strip airport's previous code of (FAA LID: Z41) has been decommissioned and combined with (ICAO: PALH, FAA LID: LHD) as another landing surface. [END] 
[1]  [DOC] Charles M. Schulz–Sonoma County Airport (IATA: STS, ICAO: KSTS, FAA LID: STS) is 7 miles (11 km) northwest of downtown Santa Rosa, in Sonoma County, California. [END] 
Answer: 
Lake Hood Seaplane Base
Lake Hood Seaplane Base