Premise: Leeds Rhinos R.L.F.C. is a professional rugby league club based in Leeds, West Yorkshire, England. Founded in 1870, they compete in the Super League, the top-level European rugby league club competition, and have won the competition a record seven times since its inception in 1996, most recently in 2015. They play their home matches at Headingley Rugby Stadium.
Hypothesis: Having been founded in 1870, Leeds Rhinos R.L.F.C are the oldest team that competes in the Super League