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 | sSpec number | Frequency | GPU frequency | L2 cache | I/O bus | Memory | Socket | Release date | Part number(s) |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Atom Z600 | SLBZP(C0)SLBR9 | 1.2 GHz | 200 MHz | 512 KB | DMI | 1 × LPDDR-400 | FC-BGA 518 | May 4, 2010 | AY80609004002AC |
| Atom Z605 | SLC3C(C0)SLBSASLC3C | 1 GHz | N/A | 512 KB | DMI | 1 × DDR-400 1 × DDR2-800 | FC-BGA 518 | May 4, 2010 | AY80609005805AA |
| Atom Z610 | SLBZQ(C0)SLBS7 | 800 MHz | N/A | 512 KB | DMI | 1 × DDR-400 1 × DDR2-800 | FC-BGA 518 | May 4, 2010 | AY80609005793AA |
| Atom Z612 | SLBZN(C0)SLBS8 | 900 MHz | N/A | 512 KB | DMI | 1 × DDR-400 1 × DDR2-800 | FC-BGA 518 | May 4, 2010 | AY80609003042AC |
| Atom Z615 | SLBZL(C0)SLBS9 | 1.6 GHz | 400 MHz | 512 KB | DMI | 1 × DDR2-800 | FC-BGA 518 | May 4, 2010 | AY80609005802AA |
| Atom Z620 | SLBZE(C0)SLBR8 | 900 MHz | N/A | 512 KB | DMI | 1 × DDR-400 1 × DDR2-800 | FC-BGA 518 | May 4, 2010 | AY80609003996AC |
| Atom Z625 | SLBZD(C0)SLBR7 | 1.9 GHz | 400 MHz | 512 KB | DMI | 1 × DDR2-800 | FC-BGA 518 | May 4, 2010 | AY80609003987AB |
Question:
What is Frequency, when Part Number(s) is AY80609004002AC?
Answer:
1.2 GHz