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 | Year | Channel | Role | Notes |
| --- | --- | --- | --- | --- |
| Parkinson | 2002 | BBC One | Herself | Performed "We Will Rock You" and "We Are the Champions" with Brian May, Roger Taylor and We Will Rock You cast |
| Party at the Palace | 2002 | BBC One | Meat | Performed "We Will Rock You" and "Bohemian Rhapsody" with Brian May, Roger Taylor and We Will Rock You cast |
| Loose Women | 2007 | ITV | Elphaba | Performed "The Wizard and I" |
| I'd Do Anything | 2008 | BBC One | Herself | Mentored potential Nancys at the Apollo Victoria Theatre |
| Royal Variety Performance | 2008 | BBC One | Herself | Performed "Defying Gravity" with Brian May |
| Over the Rainbow | 2010 | BBC One | Herself | Mentored potential Dorothys at the Dominion Theatre |
| Big Brother's Little Brother | 2010 | E4 | Herself | Interview |
| Tonight's the Night | 2010 | BBC One | Herself | Performed "Wind Beneath My Wings" with contestant and "Anthem" with Brian May |
| The Michael Ball Show | 2010 | ITV | Herself | Interview; performed "Anthem" with Brian May |
| This Morning | 2010 | ITV | Herself | Interview; performed "Anthem" with Brian May |
| Breakfast | 2010 | BBC One | Herself | Interview |
| BBC London News | 2010 | BBC One | Herself | Interview with Brian May |
| Proms in the Park | 2010 | BBC Red Button | Herself | Performed "Dangerland", "I'm Not that Girl", "Anthem", "We Will Rock You" and "We Are the Champions" with Brian May |
| The Wright Stuff | 2010 | Channel 5 | Herself | Special guest panelist |
| Festival of Remembrance | 2010 | BBC One | Herself | Performed "Anthem" with Brian May |
| Only Men Aloud – Merry Christmas | 2010 | S4C | Herself | Performed "Somebody to Love" with Only Men Aloud |
| Breakfast | 2011 | BBC One | Herself | Interview with Brian May |
| 2011 Laurence Olivier Awards | 2011 | BBC Red Button | Herself | Performed "Look to the Rainbow" with Barry Manilow |
| The Alan Titchmarsh Show | 2011 | ITV | Herself | Performed "Defying Gravity" |
| Fern | 2011 | Channel 4 | Herself | Interview; performed "I Love a Butterfly" with Brian May |
| The Hour | 2011 | STV | Herself | Interview; performed "I Love a Butterfly" with Brian May |
| FA Community Shield | 2011 | Sky Sports | Herself | Performed the British national anthem at Wembley Stadium |
| Sanremo Music Festival 2012 | 2012 | Rai 1 | Herself | Performed "I (Who Have Nothing)" and "We Will Rock You" with Brian May and Irene Fornaciari |
| The Voice UK | 2012 | BBC One | Herself | Auditioned for the show's first series |
| Foxes Live: Wild in the City | 2012 | Channel 4 | Herself | Appeared in a short film about saving foxes with Brian May |
| Live with… | 2012 | Channel 5 | Herself | Interview with Jeff Wayne |
| The Wright Stuff | 2012 | Channel 5 | Herself | Special guest panelist |
| ITV News London | 2013 | ITV | Herself | Interview about Tiger Tracks and animal conservation with Brian May |
| The Late Late Show | 2013 | RTÉ One | Herself | Interview; performed "Life is Real" with Brian May |
| This Morning | 2013 | ITV | Herself | Interview; performed "Born Free" with Brian May |
| The Alan Titchmarsh Show | 2013 | ITV | Herself | Interview; performed "The Kissing Me Song" with Brian May |
| Sunday Brunch | 2013 | Channel 4 | Herself | Interview with Brian May |
| Big Brother's Bit on the Side | 2013 | Channel 5 | Herself | Surprise guest panelist |
| Pointless Celebrities | 2013 | BBC One | Herself | West End special |
| Diamonds Are Forever: The Don Black Songbook | 2014 | BBC Four | Herself | Performed with Brian May |
Question:
how many times did she appear on bbc one?
Answer:
12