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 - Computer name | CPU type | No. of processors | Period of operation | Maximum peak performance ( Teraflops ) | Use |
| --- | --- | --- | --- | --- | --- |
| Cray XT4 - La Dôle | AMD Opteron quad-core Barcelona 2.3GHz | 160 (640 cores ) | May 2007 - June 2012 | 5.88 | Numerical weather prediction ( MeteoSwiss ) |
| Cray XT4 - Piz Buin | AMD Opteron quad-core Barcelona 2.3GHz | 264 (1056 cores ) | May 2007 - June 2012 | 9.71 | Numerical weather prediction ( MeteoSwiss ) |
| IBM System p 575 - Mont Blanc | IBM Power 5 1.5GHz | 768 | October 2006 - January 2010 | 4.6 | Research ( s computer simulation ) |
| Cray XT3 - Piz Palü | AMD Opteron dual-core 2.6GHz | 1664 (3328 cores ) | June 2005 - April 2009 | 17.31 | Research ( s computer simulation ) |
| IBM System p 690 - MPP | IBM Power 4 1.3GHz | 256 | 2002 - 2006 | 1.33 | Research ( s computer simulation ) |
| NEC SX-4 - Gottardo | NEC SX-4 vector processor | 16 | 1995 - 2004 | 0.032 | Research ( s computer simulation ) |
Question:
Name the total number of model for amd opteron dual-core 2.6ghz
Answer:
1.0