Question: What is the name of this state located in northeastern and Mid-Atlantic regions of the United States, where Elektra appeared with Extreme Championship from October 1999 until April 2001?
Sentence (from "Pennsylvania"): The Commonwealth borders Delaware to the southeast, Maryland to the south, West Virginia to the southwest, Ohio to the west, Lake Erie and the Canadian province of Ontario to the northwest, New York to the north, and New Jersey to the east.
Relevant evidence: No