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 | Decision | Record |
| --- | --- | --- | --- | --- | --- |
| February 1 | Buffalo | 4 – 5 | Atlanta | Lehtonen | 25–25–4 |
| February 2 | Atlanta | 2 – 0 | Washington | Lehtonen | 26–25–5 |
| February 5 | Philadelphia | 3 – 2 | Atlanta | Lehtonen | 26–26–5 |
| February 7 | Vancouver | 2 – 1 | Atlanta | Lehtonen | 26–27–5 |
| February 9 | Tampa Bay | 1 – 2 | Atlanta | Lehtonen | 27–27–5 |
| February 13 | Washington | 2 – 3 | Atlanta | Lehtonen | 28–27–5 |
| February 15 | Atlanta | 4 – 3 | New Jersey | Hedberg | 29–27–5 |
| February 16 | Atlanta | 1 – 4 | NY Islanders | Lehtonen | 29–28–5 |
| February 21 | Atlanta | 3 – 5 | Carolina | Lehtonen | 29–29–5 |
| February 23 | Atlanta | 1 – 3 | Toronto | Lehtonen | 29–30–5 |
| February 26 | Atlanta | 1 – 5 | Montreal | Lehtonen | 29–31–5 |
| February 28 | NY Islanders | 5 – 4 | Atlanta | Lehtonen | 29–31–6 |
Question:
Which visitor visited on February 21?
Answer:
Atlanta