user
Instruction
Answer the question based on the provided table.


Table
Table Title: Windows Server 2012
Table Content:
| Specifications | Foundation | Essentials | Standard | Datacenter |
| --- | --- | --- | --- | --- |
| Distribution | OEM only | Retail, volume licensing, OEM | Retail, volume licensing, OEM | Volume licensing and OEM |
| Licensing model | Per server | Per server | Per CPU pair + CAL | Per CPU pair + CAL |
| Processor chip limit | 1 | 2 | 64 | 64 |
| Memory limit | 32 GB | 64 GB | 4 TB | 4 TB |
| User limit | 15 | 25 | Unlimited | Unlimited |
| File Services limits | 1 standalone DFS root | 1 standalone DFS root | Unlimited | Unlimited |
| Network Policy and Access Services limits | 50 RRAS connections and 10 IAS connections | 250 RRAS connections, 50 IAS connections, and 2 IAS Server Groups | Unlimited | Unlimited |
| Remote Desktop Services limits | 50 Remote Desktop Services connections | Gateway only | Unlimited | Unlimited |
| Virtualization rights | N/A | Either in 1 VM or 1 physical server, but not both at once | 2 VMs | Unlimited |
| DHCP role | Yes | Yes | Yes | Yes |
| DNS server role | Yes | Yes | Yes | Yes |
| Fax server role | Yes | Yes | Yes | Yes |
| UDDI Services | Yes | Yes | Yes | Yes |
| Print and Document Services | Yes | Yes | Yes | Yes |
| Web Services (Internet Information Services) | Yes | Yes | Yes | Yes |
| Windows Deployment Services | Yes | Yes | Yes | Yes |
| Windows Server Update Services | No | Yes | Yes | Yes |
| Active Directory Lightweight Directory Services | Yes | Yes | Yes | Yes |
| Active Directory Rights Management Services | Yes | Yes | Yes | Yes |
| Application server role | Yes | Yes | Yes | Yes |
| Server Manager | Yes | Yes | Yes | Yes |
| Windows Powershell | Yes | Yes | Yes | Yes |
| Active Directory Domain Services | Must be root of forest and domain | Must be root of forest and domain | Yes | Yes |
| Active Directory Certificate Services | Certificate Authorities only | Certificate Authorities only | Yes | Yes |
| Active Directory Federation Services | Yes | No | Yes | Yes |
| Server Core mode | No | No | Yes | Yes |
| Hyper-V | No | No | Yes | Yes |


Question
which two versions of windows server 2012 have at most a processor chip limit of 64?


Answer Format
The final answer should be concise and use the following format:
```json
{
    "answer": [
        "answer1",
        "answer2",
        ...
    ]
}
```
rule
["Standard", "Datacenter"]