user
Instruction
Answer the question based on the provided table.


Table
Table Title: 'Personal records' regarding 'Sergey Marchuk'
Table Content:
| Event | Result | Date | Venue | WR |
| --- | --- | --- | --- | --- |
| 500 m | 38.45 | 26 March 1977 | Medeo | 37.00 |
| 1,000 m | 1:14.65 | 12 March 1977 | Medeo | 1:15.70 |
| 1,500 m | 1:56.4 | 25 December 1976 | Medeo | 1:55.61 |
| 3,000 m | 3:56.65 | 11 March 1977 | Medeo | 4:08.3 |
| 5,000 m | 6:57.68 | 29 December 1980 | Medeo | 6:56.9 |
| 10,000 m | 14:39.56 | 3 April 1977 | Medeo | 14:38.08 |
| Big combination | 164.187 | 20 March 1977 | Medeo | 165.884 |


Question
What is the personal record that Sergey Marchuk make on 11 March 1977?


Answer Format
The final answer should be a sentence and use the following format:
```json
{
    "answer": "your_generated_sentence_here"
}
```
rule
["In 1977, Marchuk skated 3:56.65 in the 3,000 m at Medeo with a world record time of 4:08.3."]