Question: how many games have been played in the world series 2019?
Answer: The series was played in a 2–3–2 format, with the Astros hosting Games 1, 2, 6, and 7; and the Nationals hosting Games 3, 4, and 5. The visiting team won all seven games for the first time in any of the major North American sports leagues, surpassing the previous high of five.