Question: Main Line Method is a band from Downingtown, Pennsylvania, the name comes from the Philadelphia area "Main Line", known simply as the Main Line, is an informally delineated historical and social region of suburban Philadelphia, in which state?
Sentence (from "Philadelphia Main Line"): Lying along the former Pennsylvania Railroad's once prestigious Main Line, it runs northwest from downtown Philadelphia parallel to Lancaster Avenue (US Route 30).
Relevant evidence: No