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:
| Year | 1st Venue | 2nd Venue | 3rd Venue | 4th Venue | 5th Venue |
| --- | --- | --- | --- | --- | --- |
| 2007.0 | Sheffield | Mexico City | Nanjing | NA | NA |
| 2008.0 | Tijuana | Sheffield | Nanjing | NA | NA |
| 2009.0 | Doha | Changzhou | Sheffield | Tijuana | NA |
| 2010.0 | Qingdao | Veracruz | Veracruz | NA | NA |
| 2011.0 | Moscow | Beijing | Sheffield | Guanajuato | NA |
| 2012.0 | Dubai | Beijing | Moscow | Tijuana | NA |
Question:
In 2010, how many 1st venue cities were there? 
Answer:
1.0