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:
| Title | Character | Broadcaster | Episodes | Date |
| --- | --- | --- | --- | --- |
| Rev. | Pip | BBC Two | 1 | 2010 |
| The I.T. Crowd | Nikki | Channel 4 | 1 | 2010 |
| EastEnders: E20 | Ava | BBC One | 15 | 2011 |
| Fresh Meat | Caz | Channel 4 | 1 | 2011 |
| PhoneShop | Daisy | Channel 4 | 1 | 2011 |
| Holby City | Heidi Hall | BBC One | 1 | 2012 |
| Plebs | Cynthia | ITV2 | 6 | 2013 |
| Blandings | Valerie Fanshawe | BBC | 2.5 | 2014 |
| Death in Paradise | Helen Walker | BBC | 3.4 | 2014 |
Question:
what was the previous role this actress played before playing cynthia in plebs?
Answer:
Heidi Hall