Swimming at the 2008 Summer Olympics – Men's 50 metre freestyle
Records
Table:
Date
Event
Name
Nationality
Time
Record

14 August
Heat 11
César Cielo
Brazil
21.47
OR

14 August
Heat 12
Amaury Leveaux
France
21.46
OR

15 August
Semifinal 2
César Cielo
Brazil
21.34
OR

16 August
Final
César Cielo
Brazil
21.30
OR

With reference to the data within the table titled "Records" section of Swimming at the 2008 Summer Olympics – Men's 50 metre freestyle, write a short sentence answer to the question: Did César Cielo set any records in the Men's 50 metre freestyle at the 2008 Summer Olympics? Output only the correct answer as {"answer": "YOUR ANSWER"}.

answer: In the semifinals, Cielo lowered an Olympic record to 21.34 that had been set by Leveaux under 0.12 seconds.