Table:
text: EBS International Documentary Festival
History
History
Year_ Date_Opening Date_Closing Opening_Film Number_of_Screening
2004 August 30 September 5 Deconstruction of Korean Housewife 129 films 99 televised
2005 August 29 September 4 Another Myanmar, Mae Sot 98 films 94 televised
2006 July 10 July 16 The Journey of Vaan Nguyen 83 films 83 televised
2007 August 27 September 2 Heimatklänge 58 films 54 televised
2008 September 22 September 28 Encounters at the End of the World 43 films 43 televised
2009 September 21 September 27 Google Baby 50 films 50 televised
2010 August 23 August 29 Planet of Snail 49 films 49 televised

Question: What is the date (opening) if the opening film is "Another Myanmar, Mae Sot" for EBS International Documentary Festival?

Question: What is the date (end) when the opening film is "Deconstruction of Korean Housewife" for EBS International Documentary Festival?

Question: What is the total number of years that the date (opening) is "September 21" at the EBS International Documentary Festival?