Complex sentence: The Arrowhead Warhawks football team has appeared in 9 of the last 16 WIAA State Division 1 football finals, which is a state record in any division.
Split into simpler sentences: The Arrowhead Warhawks football team has appeared in 9 of the last 16 WIAA State Division 1 football finals. The 9 state appearances are a state record in any division.