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 |
| --- | --- | --- | --- | --- |
| May 3 | Detroit Red Wings | 1–4 | Edmonton Oilers | 1–0 |
| May 5 | Detroit Red Wings | 3–5 | Edmonton Oilers | 2–0 |
| May 7 | Edmonton Oilers | 2-5 | Detroit Red Wings | 2–1 |
| May 9 | Edmonton Oilers | 4–3 | Detroit Red Wings | 3–1 |
| May 11 | Detroit Red Wings | 4–8 | Edmonton Oilers | 4–1 |
Question:
Who is the visitor on May 9?
Answer:
Edmonton Oilers