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:
| Model Number | Stepping | Frequency | L2 Cache | Multi 1 | V Core | Socket | Release Date | Part Number(s) |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Athlon X2 3250e | G2 | 1500MHz | 2 × 512 kB | 7.5× | 1.15 - 1.25 V | Socket AM2 | Q4, 2008 | ADJ3250IAV5DO |
| Athlon X2 4050e | G2 | 2100MHz | 2 × 512 kB | 10.5× | 1.15 - 1.25 V | Socket AM2 | April 21, 2008 | ADH4050IAA5DO |
| Athlon X2 4450e | G2 | 2300MHz | 2 × 512 kB | 11.5× | 1.15 - 1.25 V | Socket AM2 | April 21, 2008 | ADH4450IAA5DO |
| Athlon X2 4850e | G2 | 2500MHz | 2 × 512 kB | 12.5× | 1.15 - 1.25 V | Socket AM2 | March 5, 2008 | ADH4850IAA5DO |
| Athlon X2 5050e | G2 | 2600MHz | 2 × 512 kB | 13× | 1.15 - 1.25 V | Socket AM2 | October 21, 2008 | ADH5050IAA5DO |
Question:
When was the release date for technology that has a Multi 1 of 10.5×?
Answer:
April 21, 2008