Question: Twin Cities Air Service is an American fixed-base operator and charter airline based at Auburn, Maine and operating from Portland International Jetport, a public airport two miles (3 km) west of downtown Portland, in Cumberland County, in which state?
Sentence (from "Provo Municipal Airport"): It is the second busiest public airport in Utah by aircraft movements, with 172,000 aircraft operations in the year ending May 2007.
Relevant evidence: No