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:
| Story # | Target # | Title | Author | Reader | Format | Company | Release Date | Notes |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 52.0 | 009 9 | Doctor Who and the Cave Monsters | Hulke, Malcolm Malcolm Hulke | John, Caroline Caroline John | 4-CD | BBC | 2007-09-03 3 September 2007 | Unabridged |
| 58.0 | 023 23 | Doctor Who and the Doomsday Weapon | Hulke, Malcolm Malcolm Hulke | Beevers, Geoffrey Geoffrey Beevers | 4-CD | BBC | 2007-09-03 3 September 2007 | Unabridged |
| 75.0 | 028 28 | Doctor Who and the Giant Robot | Dicks, Terrance Terrance Dicks | Baker, Tom Tom Baker | 4-CD | BBC | 2007-11-05 5 November 2007 | Unabridged |
| 84.0 | 007 7 | Doctor Who and the Brain of Morbius | Dicks, Terrance Terrance Dicks | Baker, Tom Tom Baker | 4-CD | BBC | 2008-02-04 4 February 2008 | Unabridged |
| 67.0 | 057 57 | Doctor Who and the Space War | Hulke, Malcolm Malcolm Hulke | Beevers, Geoffrey Geoffrey Beevers | 4-CD | BBC | 2008-02-04 4 February 2008 | Unabridged |
| 20.0 | 097 97 | The Myth Makers | Cotton, Donald Donald Cotton | Thorne, Stephen Stephen Thorne | 4-CD | BBC | 2008-04-07 7 April 2008 | Unabridged |
| 106.0 | 011 11 | Doctor Who and the Creature From the Pit | Fisher, David David Fisher | Baker, Tom Tom Baker | 4-CD | BBC | 2008-04-07 7 April 2008 | Unabridged |
| 120.0 | 113 | Black Orchid | Dudley, Terence Terence Dudley | Cochrane, Michael Michael Cochrane | 4-CD | BBC | 2008-06-12 12 June 2008 | Unabridged |
| 59.0 | 015 15 | Doctor Who and the Dæmons | Letts, Barry Barry Letts | Letts, Barry Barry Letts | 5-CD | BBC | 2008-08-14 14 August 2008 | Unabridged |
| 82.0 | 050 50 | Doctor Who and the Pyramids of Mars | Dicks, Terrance Terrance Dicks | Baker, Tom Tom Baker | 4-CD | BBC | 2008-08-14 14 August 2008 | Unabridged |
| 69.0 | 029 29 | Doctor Who and the Green Death | Hulke, Malcolm Malcolm Hulke | Manning, Katy Katy Manning | 4-CD | BBC | 2008-09-04 4 September 2008 | Unabridged |
| 70.0 | 065 65 | Doctor Who and the Time Warrior | Dicks, Terrance Terrance Dicks | Bulloch, Jeremy Jeremy Bulloch | 4-CD | BBC | 2008-11-13 13 November 2008 | Unabridged |
| 38.0 | 001 1 | Doctor Who and the Abominable Snowmen | Dicks, Terrance Terrance Dicks | Troughton, David David Troughton | 4-CD | BBC | 2009-01-08 8 January 2009 | Unabridged |
| 86.0 | 042 42 | Doctor Who and the Masque of Mandragora | Hinchcliffe, Philip Philip Hinchcliffe | Pigott-Smith, Tim Tim Pigott-Smith | 4-CD | BBC | 2009-04-09 9 April 2009 | Unabridged |
| 74.0 | 048 48 | Doctor Who and the Planet of the Spiders | Dicks, Terrance Terrance Dicks | Sladen, Elisabeth Elisabeth Sladen | 4-CD | BBC | 2009-06-04 4 June 2009 | Unabridged |
| 149.0 | 146 | The Happiness Patrol | Curry, Graeme Graeme Curry | Lenska, Rula Rula Lenska | 4-CD | BBC | 2009-07-02 2 July 2009 | Unabridged |
| 45.0 | 115 | The Mind Robber | Ling, Peter Peter Ling | Jacobi, Derek Derek Jacobi | 4-CD | BBC | 2009-08-06 6 August 2009 | Unabridged |
| 39.0 | 033 33 | Doctor Who and the Ice Warriors | Hayles, Brian Brian Hayles | Hines, Frazer Frazer Hines | 4-CD | BBC | 2010-01-07 7 January 2010 | Unabridged |
| 115.0 | 041 41 | Logopolis | Bidmead, Christopher H. Christopher H. Bidmead | Bidmead, Christopher H. Christopher H. Bidmead | 4-CD | BBC | 2010-02-04 4 February 2010 | Unabridged |
| 132.0 | 091 91 | Frontios | Bidmead, Christopher H. Christopher H. Bidmead | Chalmers, Beth Beth Chalmers | DAISY Digital Talking Book | RNIB | 2010-03-02 2 March 2010 | Unabridged. |
| 116.0 | 076 76 | Castrovalva | Bidmead, Christopher H. Christopher H. Bidmead | Davison, Peter Peter Davison | 4-CD | BBC | 2010-03-04 4 March 2010 | Unabridged |
| 65.0 | 064 64 | The Three Doctors | Dicks, Terrance Terrance Dicks | Manning, Katy Katy Manning | 4-CD | BBC | 2010-04-07 7 April 2010 | Unabridged |
| 131.0 | 095 95 | The Awakening | Pringle, Eric Eric Pringle | Hughes, Nerys Nerys Hughes | 4-CD | BBC | 2010-07-08 8 July 2010 | Unabridged |
| 55.0 | 063 63 | Doctor Who and the Terror of the Autons | Dicks, Terrance Terrance Dicks | Beevers, Geoffrey Geoffrey Beevers | 4-CD | BBC | 2010-08-05 5 August 2010 | Unabridged |
| 3.0 | 132 | The Edge of Destruction | Robinson, Nigel Nigel Robinson | Russell, William William Russell | 4-CD | BBC | 2011-01-06 6 January 2011 | Unabridged |
| 89.0 | 025 25 | Doctor Who and the Face of Evil | Dicks, Terrance Terrance Dicks | Jameson, Louise Louise Jameson | DAISY Digital Talking Book | RNIB | 2011-01-19 19 January 2011 | Unabridged. |
| 50.0 | 070 70 | Doctor Who and the War Games | Hulke, Malcolm Malcolm Hulke | Troughton, David David Troughton | 4-CD | BBC | 2011-02-03 3 February 2011 | Unabridged |
| 98.0 | 052 52 | Doctor Who and the Ribos Operation | Marter, Ian Ian Marter | Leeson, John John Leeson | 5-CD | BBC | 2011-03-03 3 March 2011 | Unabridged |
| 54.0 | 089 89 | Inferno | Dicks, Terrance Terrance Dicks | John, Caroline Caroline John | 4-CD | BBC | 2011-04-07 7 April 2011 | Unabridged |
| 153.0 | 149 | Ghost Light | Platt, Marc Marc Platt | Hogg, Ian Ian Hogg | 6-CD | BBC | 2011-06-02 2 June 2011 | Unabridged |
| 42.0 | 110 | Fury from the Deep | Pemberton, Victor Victor Pemberton | Troughton, David David Troughton | 6-CD | BBC | 2011-07-07 7 July 2011 | Unabridged |
| 136.0 | 103 | The Twin Dilemma | Saward, Eric Eric Saward | Baker, Colin Colin Baker | 4-CD | BBC | 2012-01-05 5 January 2012 | Unabridged |
| 145.0 | 134 | Paradise Towers | Wyatt, Stephen Stephen Wyatt | Langford, Bonnie Bonnie Langford | 4-CD | AudioGo | 2012-04-05 5 April 2012 | Unabridged. |
| 7.0 | 118 | The Sensorites | Robinson, Nigel Nigel Robinson | Russell, William William Russell | 5-CD | AudioGo | 2012-05-03 3 May 2012 | Unabridged. |
| 62.0 | 054 54 | Doctor Who and the Sea Devils | Hulke, Malcolm Malcolm Hulke | Beevers, Geoffrey Geoffrey Beevers | 4-CD | AudioGo | 2012-06-07 7 June 2012 | Unabridged. |
| 101.0 | N/A | The Androids of Tara | Fisher, David David Fisher | Leeson, John John Leeson | 4-CD | AudioGo | 2012-07-05 5 July 2012 | New David Fisher novelisation exclusive to audio |
| 6.0 | 088 88 | The Aztecs | Lucarotti, John John Lucarotti | Russell, William William Russell | 4-CD | AudioGo | 2012-08-02 2 August 2012 | Unabridged. |
| 31.0 | 090 90 | The Highlanders | Davis, Gerry Gerry Davis | Wills, Anneke Anneke Wills | 3-CD | AudioGo | 2012-09-06 6 September 2012 | Unabridged. |
| 119.0 | 069 69 | Doctor Who and the Visitation | Saward, Eric Eric Saward | Waterhouse, Matthew Matthew Waterhouse | 3-CD | AudioGo | 2012-10-04 4 October 2012 | Unabridged. |
| 91.0 | 061 61 | Doctor Who and the Talons of Weng-Chiang | Dicks, Terrance Terrance Dicks | Benjamin, Christopher Christopher Benjamin | 4-CD | AudioGo | 2013-01-01 1 January 2013 | Unabridged. |
| 25.0 | 101 | The Gunfighters | Cotton, Donald Donald Cotton | Rimmer, Shane Shane Rimmer | 4-CD | AudioGo | 2013-02-07 7 February 2013 | Unabridged. |
| 11.0 | 124 | The Rescue | Marter, Ian Ian Marter | O'Brien, Maureen O'Brien Maureen O'Brien | 4-CD | AudioGo | 2013-04-06 6 April 2013 | Unabridged. |
| 61.0 | 013 13 | Doctor Who and the Curse of Peladon | Hayles, Brian Brian Hayles | Troughton, David David Troughton | 4-CD | AudioGo | 2013-05-02 2 May 2013 | Unabridged. |
| 68.0 | 046 46 | Doctor Who and the Planet of the Daleks | Dicks, Terrance Terrance Dicks | Gatiss, Mark Mark Gatiss | CD | AudioGo | 2013-06-06 6 June 2013 | Unabridged. Dalek voices by Nicholas Briggs. |
| 109.0 | 039 39 | Doctor Who and the Leisure Hive | Fisher, David David Fisher | Ward, Lalla Lalla Ward | 3-CD | AudioGo | 2013-07-01 1 July 2013 | Unabridged. |
| 151.0 | 144 | The Greatest Show in the Galaxy | Wyatt, Stephen Stephen Wyatt | Aldred, Sophie Sophie Aldred | CD | AudioGo | 2013-08-01 1 August 2013 | Unabridged. |
| 1.0 | N/A | An Unearthly Child | Robinson, Nigel Nigel Robinson | Russell, William William Russell | CD | AudioGo | 2013-11-07 7 November 2013 | New novelisation exclusive to audio. |
| 66.0 | 008 8 | Doctor Who and the Carnival of Monsters | Dicks, Terrance Terrance Dicks | Manning, Katy Katy Manning | CD | AudioGo | 2013-12-05 5 December 2013 | Unabridged |
| 111.0 | 026 26 | Full Circle | Smith, Andrew Andrew Smith | Waterhouse, Matthew Matthew Waterhouse | CD | AudioGo | 2014-01-02 2 January 2014 | Unabridged |
Question:
How many different release dates are there for the audio book with a story number 7?
Answer:
1.0