Question: When did collingwood last won a grand final?
qaPairs: question: As of 2017, when did Collingwood last win a grand final?
answer: 2010 season
question: As of 2016, when did Collingwood last win a grand final?
answer: 2010 season
question: As of 2015, when did Collingwood last win a grand final?
answer: 2010 season