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:
| Episode Number | Air Date | Guests | Three Darts Challenge | Musical Performance |
| --- | --- | --- | --- | --- |
| 2.0 | 5 April 2010 | Aaron Johnson , Patsy Palmer , Sharleen Spiteri | Joanna Lumley | Sharleen Spiteri - Xandu |
| 3.0 | 12 April 2010 | Katy Brand , James Corden , Paloma Faith | Ewan McGregor | Paloma Faith - Upside Down |
| 7.0 | 10 May 2010 | Gok Wan , Yvette Fielding , Alphabeat | Sharon Osbourne | Alphabeat - DJ (I Could Be Dancing) |
| 8.0 | 17 May 2010 | Matthew Horne , Rihanna , The cast of Jersey Boys | Meat Loaf | The cast of Jersey Boys |
| 9.0 | 7 June 2010 | Joe Swash , Arlene Phillips , Mary J. Blige | Jermaine Jackson | Mary J. Blige - Each Tear |
Question:
How many episodes are there for the three darts challenge with Sharon Osbourne?
Answer:
7.0