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:
| Region | Date | Label | Format | Catalog |
| --- | --- | --- | --- | --- |
| Japan | May 21, 1993 | Alfa Records | CD | ALCA-487 |
| Japan | June 29, 1994 | Alfa Records | CD | ALCA-9016 |
| Japan | February 20, 2002 | Village Records | ed remaster CD | VRCL-2216 |
| Japan | March 13, 2002 | Village Records | ed remaster CD | VRCL-2236 |
| Japan | May 27, 2009 | Sony Music Direct | ed remaster CD | MHCL-20018 |
Question:
What is the Date when the label was alfa records, and a Catalog of alca-487?
Answer:
May 21, 1993