user
Instruction
Answer the question based on the provided table.


Table
Table Title: Gordon Ramsay
Table Content:
| Restaurant | Location | Date Opened | Date Closed |
| --- | --- | --- | --- |
| Verre at the Hilton Dubai Creek | Dubai, United Arab Emirates |  | October 2011 |
| Maze by Gordon Ramsay | The Pearl-Qatar, Doha, Qatar | 2010 | March 2012 |
| Gordon Ramsay at Conrad Tokyo | Conrad Tokyo, Tokyo, Japan |  | - |
| Cerise by Gordon Ramsay | Minato, Tokyo, Japan |  | - |
| Maze by Gordon Ramsay | One and Only Hotel, Cape Town, South Africa | April 2009 | July 2010 |
| Maze / Maze Grill by Gordon Ramsay | Crown Metropol, Melbourne, Australia | March 2010 | August 2011 |


Question
for how many months was the restaurant "maze" by gordon ramsay (cape town) open?


Answer Format
The final answer should be concise and use the following format:
```json
{
    "answer": [
        "answer1",
        "answer2",
        ...
    ]
}
```
rule
["15"]