user
Instruction
Answer the question based on the provided table.


Table
Table Title: '2009 Election Results' regarding 'Niali (Odisha Vidhan Sabha constituency)'
Table Content:
| Party | Party | Candidate | Votes | % | ± |
| --- | --- | --- | --- | --- | --- |
| - | BJD | Pramod Kumar Mallick | 90,058 | 65.45 | - |
| - | INC | Artratrana Malik | 40,005 | 28.88 | - |
| - | BJP | Sushanta Kumar Mallick | 4,921 | 3.55 | - |
| - | Independent | Sandhyarani Das | 1,719 | 1.24 | - |
| - | BSP | Santosh Kumar Mallick | 1,218 | 0.88 | - |
| Majority | Majority | Majority | 50,653 | 36.57 | - |
| Turnout | Turnout | Turnout | 1,38,534 | 64.56 | - |
| Registered electors | Registered electors | Registered electors | 2,14,580 | - | - |


Question
Who won the 2009 Election, by what margin?


Answer Format
The final answer should be a sentence and use the following format:
```json
{
    "answer": "your_generated_sentence_here"
}
```
rule
["In the 2009 election, Biju Janata Dal candidate Pramod Kumar Mallick defeated Indian National Congress candidate Artratrana Malik by a margin of 50,653 votes."]