title: Rugby union in Wales
context: Wales' four professional rugby regions play in the Pro14 league and take part in the European Rugby Champions Cup, European Rugby Challenge Cup and Anglo-Welsh Cup. The first two of these competitions, set to launch in 2014–15, replace the now-defunct Heineken Cup and Amlin Challenge Cup. Since 2006 they have also competed in the Anglo-Welsh Cup against clubs from the English Premiership.
question: How many rugby teams does Wales have?
answers: four