Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Event | Time | Date | Meet | Location |
| --- | --- | --- | --- | --- |
| 50m freestyle | 21.42 | 31 July 2009 | World Championships | Rome , Italy |
| 100m freestyle | 49.13 | 27 July 2001 | World Championships | Fukuoka , Japan |
| 200m freestyle | 1:45.78 | 31 July 2009 | World Championships | Rome , Italy |
| 400m freestyle | 3:45.68 | 26 July 2009 | World Championships | Rome , Italy |
| 800m freestyle | 7:44.94 | 27 July 2011 | World Championships | Shanghai , China |
| 1500m freestyle | 14:45.66 | 31 July 2011 | World Championships | Shanghai , China |
| 50m backstroke | 25.14 | 24 May 2012 | European Championships | Debrecen , Hungary |
| 100m backstroke | 53.40 | 4 August 2012 | Olympic Games | London , United Kingdom |
| 200m backstroke | 1:55.88 | 26 May 2012 | European Championships | Debrecen , Hungary |
| 50m breaststroke | 27.51 | 2 August 2002 | European Championships | Berlin , Germany |
| 100m breaststroke | 59.53 | 29 July 2012 | Olympic Games | London , United Kingdom |
| 200m breaststroke | 2:07.23 | 2 August 2013 | 2013 World Championships | Barcelona , Spain |
| 50m butterfly | 23.57 | 28 June 2009 | Hungarian Championships | Eger , Hungary |
| 100m butterfly | 51.45 | 3 August 2013 | 2013 World Championships | Barcelona , Spain |
| 200m butterfly | 1:52.70 | 13 August 2008 | Olympic Games | Beijing , China |
| 200m individual medley | 1:55.18 | 29 July 2009 | World Championships | Rome , Italy |
| 400m individual medley | 4:06.18 | 10 August 2008 | Olympic Games | Beijing , China |
| 4×100m freestyle relay | 3:17.23 | 21 May 2012 | European Championships | Debrecen , Hungary |
| 4×200m freestyle relay | 7:08.24 | 31 July 2009 | World Championships | Rome , Italy |
| 4×100m medley relay | 3:33.02 | 4 August 2012 | Olympic Games | London , United Kingdom |
Question:
What event had the 1500m freestyle?
Answer:
World Championships