Table:
athlete
event
heat
quarterfinal
semifinal
final

result
rank
result
rank
result
rank
result
rank

djikoloum mobele
100 m
dns
did not advance

kaltouma nadjina
400 m
51.50
3 q
n/a
51.57
5
did not advance

Statement: kaltouma nadjina finished in fifth place with a time of 51.57 seconds, failing to qualify for the final.
Question: what was the result of kaltouma nadjina finished in fifth place with a time of?
Answer: [51.57]