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 |
| --- | --- | --- | --- | --- |
| United Kingdom | 28 April 2008 | Island | LP | 1764104 |
| United Kingdom | 28 April 2008 | Island | LP box set | 1766390 |
| United Kingdom | 28 April 2008 | Island | CD | 1764013 |
| United States | 29 April 2008 | Mercury / Go! | CD | B0011141-02 |
| United States | 29 April 2008 | Mercury / Go! | LP | B0011141-01 |
| Japan | 30 April 2008 | Universal Music Japan | CD | UICI-1069 |
Question:
What is the Region of the 1766390 Catalog?
Answer:
United Kingdom