Athletics at the 2016 Summer Olympics – Men's 400 metres
Semifinal 1
Table:
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

Taking into account the table named Athletics at the 2016 Summer Olympics – Men's 400 metres in the "Semifinal 1" section, write a short sentence answer to the question: How effective was Kirani James during the 2016 summer olympics?  Output only the correct answer as {"answer": "YOUR ANSWER"}.

answer: In the semi-finals, James had a season's best time of 44.02 to win the round nearly two tenths ahead of Merritt.