user
Instruction
Answer the question based on the provided table.


Table
Table Title: 'Semifinal 1' regarding 'Athletics at the 2016 Summer Olympics – Men's 400 metres'
Table Content:
| Rank | Lane | Name | Nationality | Reaction | Time | Notes |
| --- | --- | --- | --- | --- | --- | --- |
| 1 | 4 | Kirani James | Grenada | 0.144 | 44.02 | Q, SB |
| 2 | 6 | LaShawn Merritt | United States | 0.271 | 44.21 | Q |
| 3 | 2 | Karabo Sibanda | Botswana | 0.174 | 44.47 | q, PB |
| 4 | 7 | Luguelín Santos | Dominican Republic | 0.155 | 44.71 | SB |
| 5 | 1 | Javon Francis | Jamaica | 0.170 | 44.96 | - |
| 6 | 5 | Nery Brenes | Costa Rica | 0.181 | 45.02 | - |
| 7 | 8 | Liemarvin Bonevacia | Netherlands | 0.166 | 45.03 | SB |
| 8 | 3 | Lalonde Gordon | Trinidad and Tobago | 0.157 | 45.13 | - |


Question
How effective was Kirani James during the 2016 summer olympics? 


Answer Format
The final answer should be a sentence and use the following format:
```json
{
    "answer": "your_generated_sentence_here"
}
```
rule
["In the semi-finals, James had a season's best time of 44.02 to win the round nearly two tenths ahead of Merritt."]