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 | Nationality | Date | Meet | Location |
| --- | --- | --- | --- | --- | --- |
| 50m freestyle | 22.11 | Australia | 28 August 2013 | 2013 Championships | Dubai , United Arab Emirates |
| 100m freestyle | 48.97 | United States | 31 August 2013 | 2013 Championships | Dubai , United Arab Emirates |
| 200m freestyle | 1:47.55 | Australia | 27 August 2013 | 2013 Championships | Dubai , United Arab Emirates |
| 400m freestyle | 3:47.12 | Australia | 26 August 2013 | 2013 Championships | Dubai , United Arab Emirates |
| 800m freestyle | 7:45.67 | Australia | 28 August 2013 | 2013 Championships | Dubai , United Arab Emirates |
| 1500m freestyle | 14:56.60 | Australia | 31 August 2013 | 2013 Championships | Dubai , United Arab Emirates |
| 50m backstroke | 25.44 | Russia | 29 August 2013 | 2013 Championships | Dubai , United Arab Emirates |
| 100m backstroke | 54.87 | Greece | 27 August 2013 | 2013 Championships | Dubai , United Arab Emirates |
| 200m backstroke | 1:57.92 | Italy | 31 August 2013 | 2013 Championships | Dubai , United Arab Emirates |
| 50m breaststroke | 27.74 | Slovenia | 30 August 2013 | 2013 Championships | Dubai , United Arab Emirates |
| 100m breaststroke | 1:00.88 | Russia | 27 August 2013 | 2013 Championships | Dubai , United Arab Emirates |
| 200m breaststroke | 2:10.75 | Russia | 29 August 2013 | 2013 Championships | Dubai , United Arab Emirates |
| 50m butterfly | 23.61 | New Zealand | 11 July 2008 | 2008 Championships | Monterrey , Mexico |
| 100m butterfly | 52.52 | New Zealand | 9 July 2008 | 2008 Championships | Monterrey , Mexico |
| 200m butterfly | 1:56.42 | United States | 31 August 2013 | 2013 Championships | Dubai , United Arab Emirates |
| 200m individual medley | 1:59.44 | United States | 27 August 2013 | 2013 Championships | Dubai , United Arab Emirates |
| 400m individual medley | 4:14.97 | United States | 30 August 2013 | 2013 Championships | Dubai , United Arab Emirates |
| 4×100m freestyle relay | 3:16.96 | Australia | 26 August 2013 | 2013 Championships | Dubai , United Arab Emirates |
| 4×200m freestyle relay | 7:15.36 | Great Britain | 29 August 2013 | 2013 Championships | Dubai , United Arab Emirates |
| 4×100m medley relay | 3:38.13 | Japan | 31 August 2013 | 2013 Championships | Dubai , United Arab Emirates |
Question:
Which championship was the 100m backstroke performed?
Answer:
2013 Championships