title: Mass Effect
context: Two weeks after the game was released, Mass Effect 2 shipped two million copies to retailers.[110] The game sold over 500,000 copies in the month of release, despite being released at the end of the month.[111] Before the release of the third game, the series sold a total of 7 million copies worldwide.[112]
question: How well did Mass Effect 2 sale?
answers.text: Before the release of the third game, the series sold a total of 7 million copies worldwide 7 million