user
Instruction
Answer the question based on the provided table.


Table
Table Title: 'History' regarding 'Nuclear Security Summit'
Table Content:
| Date | Country | City | Host leader |
| --- | --- | --- | --- |
| April 12–13, 2010 | United States | Washington, D.C. | Barack Obama |
| March 26–27, 2012 | South Korea | Seoul | Lee Myung-bak |
| March 24–25, 2014 | Netherlands | The Hague | Mark Rutte |
| March 31–April 1, 2016 | United States | Washington, D.C. | Barack Obama |


Question
Where and when was the first Nuclear Security Summit held?


Answer Format
The final answer should be a sentence and use the following format:
```json
{
    "answer": "your_generated_sentence_here"
}
```
rule
["The first summit was held in Washington, D.C., United States, on April 12–13, 2010."]