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:
| Character | Actor | Duration | Role | Appearances |
| --- | --- | --- | --- | --- |
| "Stupid" Brian | Kevin Bishop | 2001 | Janey's Boyfriend | 3 |
| Hotel Receptionist | Andy Taylor | 2001, 2002, 2004, 2007 | Hotel Receptionist | 5 |
| Mr. Alexander Casey | Nickolas Grace | 2001, 2008, 2010 | Neighbour | 3 |
| Richard Harper | Anthony Head Nathaniel Parker | 2003 2009 | Ben's Cousin and Abi's Father | 1 1 |
| Fiona | Rachel Hyde-Harvey | 2003 | Michael's Girlfriend | 3 |
| Hubert | Alex Dawson | 2003, 2004, 2006 | Michael's Friend | 7 |
| Vicar | Mike Walling | 2006, 2007, 2009, 2011 | A Parish Vicar | 6 |
| James Garret | Robert Bathurst | 2006, 2007, 2009 | Art collector | 3 |
| Mark | Theo Fraser Steele Alastair Southey | 2007 2011 | Kenzo's Father | 1 1 |
| Scott Marsh | Nathan Brine | 2010–11 | Michael's Boyfriend | 4 |
| Craig Willoughby | Ben Uttley | 2010–11 | Janey's Boyfriend | 3 |
Question:
What is the duration for mike walling as the actor?
Answer:
2006, 2007, 2009, 2011