Question: What ensign, used by Parliment during the Fifties, Sixties, and Seventies in Northern Ireland, was also used to represent Northern Ireland at the 2010 Commonwealth Games?
Sentence (from "Northern Ireland national netball team"): During Rice's time as head coach, Northern Ireland have won the 2009 Nations Cup in Singapore, and came third in the 2011 European Netball Championships in Antrim.
Relevant evidence: No