Question: When was the last time ohio state played notre dame?
Disambiguated questions and answers: question: When was the last time ohio state played notre dame, as of 2017?
When was the last time ohio state played notre dame, as of 2016?
When was the last time ohio state played notre dame, as of 2015?
answer: January 1, 2016
January 1, 2016
January 2, 2006
Natural Questions answer: 2016 (from the Wikipedia article "Notre Dame Fighting Irish football series records")