In this task you will be given an answer to a question. You need to generate a question. The answer given should be a correct answer for the generated question.
Q: No official MLB All-Star Game was held in 1945 including the official selection of players due to World War II travel restrictions. Two All-Star Games were held each season from 1959 to 1962. The most recent All-Star Game was held on July 17, 2018, at Nationals Park, home of the National League's Washington Nationals. The 2019 and 2020 All-Star Games are scheduled to be held in Cleveland and Los Angeles, respectively.
A:
when does the mlb all star break end