Table:
text: 1973–74 Chicago Black Hawks season
Boston Bruins 4, Chicago Black Hawks 2
Boston Bruins 4, Chicago Black Hawks 2
Date_ Visitor Score Home Record
April 18 Chicago Black Hawks 4–2 Boston Bruins 1-0
April 21 Chicago Black Hawks 6–8 Boston Bruins 1-1
April 23 Boston Bruins 3–4 Chicago Black Hawks 2-1
April 25 Boston Bruins 5–2 Chicago Black Hawks 2-2
April 28 Chicago Black Hawks 2–6 Boston Bruins 2-3
April 30 Boston Bruins 4–2 Chicago Black Hawks 2-4

Question: Which visitor has a 2-4 record for the Chicago Black Hawks' Boston Bruins in the 1973-74 season?