常見問題：
問：Q2: When did Beast make their debut? 答：A2: Beast made their debut in 2009 with the digital single "Bad Girl."
問：Q4: How many members are there in Beast? 答：A4: There are six members in Beast.
問：Q5: Which member of Beast is known for his acting career? 答：A5: Member Yoon Doo-joon is known for his acting career.