Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| 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 record of 2-4?
Answer:
Boston Bruins