answers: jim harbaugh the national anthem
questions: who was at the concert singing? what was harbaugh singing at the concert?
paragraph: This a true story. Jim Harbaugh singing the national anthem at the @lildickytweets concert. — Brandon Justice (@BrandonCJustice) April 3, 2016
questions_answers: question: who was at the concert singing?, answer: jim harbaugh | question: what was harbaugh singing at the concert?, answer: the national anthem