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 |
| --- | --- | --- | --- | --- |
| Worldwide | 1981.0 | Warner Bros. | LP | 3645 |
| Worldwide | 1981.0 | Sire | Cassette tape | M5S-3645 |
| Worldwide | 1987.0 | Luaka Bop | CD | 3645 |
| Worldwide | 1990.0 | Warner Bros. | Cassette tape | 3645 |
| Worldwide | 1990.0 | Warner Bros. | CD | 3645 |
Question:
what is the earliest date for the album that had a catalog number of 3645, was formatted as a cd and was under the luaka bop label?
Answer:
1987.0