Question: Michael Heaney is an Irish professional rugby union player for Ulster Rugby, responsible for rugby union throughout the geographical Irish province of Ulster, which comprises how many counties in Northern Ireland?
Sentence (from "Ulster Rugby"): The team represents the Irish Rugby Football Union (IRFU) Ulster Branch, which is one of the four primary branches of the IRFU and is responsible for rugby union throughout the geographical Irish province of Ulster, comprising six counties in Northern Ireland and three counties in the Republic of Ireland.
Relevant evidence: Yes