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:
| Processor | Brand Name | Model (list) | Cores | L2 Cache | Socket | TDP |
| --- | --- | --- | --- | --- | --- | --- |
| Yorkfield | Xeon | X33x0 | 4.0 | 2×3–2×6 MB | LGA 775 | 65–95 W |
| Yorkfield-CL | Xeon | X33x3 | 4.0 | 2×3–2×6 MB | LGA 771 | 80 W |
| Yorkfield-6M | Core 2 Quad | Q8xxx | 4.0 | 2×2 MB | LGA 775 | 65–95 W |
| Yorkfield-6M | Core 2 Quad | Q9x0x | 4.0 | 2×3 MB | LGA 775 | 65–95 W |
| Yorkfield | Core 2 Quad | Q9x5x | 4.0 | 2×6 MB | LGA 775 | 65–95 W |
| Yorkfield XE | Core 2 Extreme | QX9xxx | 4.0 | 2×6 MB | LGA 775 | 130–136 W |
Question:
what is the socket that has a brand name of core 2 extreme?
Answer:
LGA 775