Question: How long is the island where one school of the Kyūshū Collegiate American Football Association is located?
Sentence (from "Kyūshū Collegiate American Football Association"): The Kyūshū Collegiate American Football Association (九州学生アメリカンフットボール連盟) is an American college football league made up of colleges and universities primarily on the island of Kyushu, Japan; one school is located on Okinawa Island.
Relevant evidence: Yes