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:
| Company name | Hardware Model | Accreditation type | Accreditation level | Date |
| --- | --- | --- | --- | --- |
| Sony Mobile Communications | XPERIA T, XPERIA J | Full | joyn Hot Fixes | Approved (awarded 15.11.12) |
| LG Electronics | LG-P760 | Full | joyn Hot Fixes | Approved (awarded 19.11.12) |
| Nokia Corporation | Lumia 920, Lumia 820, Lumia 620 | Full | joyn Hot Fixes | Approved (awarded 05.12.12) |
| Samsung Electronics Co Ltd | GT-I9300 | Full | joyn | Approved (awarded 23.10.12) |
| HTC Corporation | Z520e | Provisional | joyn | Approved (valid until 14.09.13) |
| Samsung Electronics Co Ltd | GT-I9100 | Provisional | joyn | Approved (valid until 06.04.13) |
| Nokia Corporation | Nokia 700 | Provisional | joyn | Approved (valid until 03.05.13) |
| Huawei Technologies Co.Ltd. | U8815 Asura | Provisional | joyn | Approved (valid until 03.05.13) |
Question:
When did Samsung Electronics Co LTD make the GT-i9100?
Answer:
Approved (valid until 06.04.13)