original question: Which brand has product line [GeForce 9 series]?
answer: geforce
answer type: Brand.
auxiliary information: The GeForce 9 series is the ninth generation of NVIDIA's GeForce series of graphics processing units, the first of which was released on February 21, 2008. Products are based on a slightly repolished Tesla microarchitecture, adding PCIe 2.0 support, improved color and z-compression, and built on a 65 nm process, later using 55 nm process to reduce power consumption and die size.
[GeForce 9 series] is a product line made by which brand?