Table:
text: Boston Badminton Open
Open Division
Open Division
Year_ Mens_Singles Womens_Singles Mens_Doubles Womens_Doubles A_Mixed_Doubles B_Mixed_Doubles
2006 Raju Rai Lili Zhou Howard Bach Bob Malaythong Eva Lee Mesinee Mangkalakiri Halim Haryanto Angeline De Pauw Eric You Jennifer Bachner
2007 Mike Beres Joo Hyun Lee Halim Haryanto Bob Malaythong Angeline De Pauw Mona Santoso Chandra Kowi Mona Santoso Not held
2008 Holvy De Pauw Joo Hyun Lee Howard Bach Bob Malaythong Joo Hyun Lee Mona Santoso Chandra Kowi Mona Santoso Puttravin Ponpetprayoon Kanitsara Ngoensrisuk
2009 Hock Lai Lee Mona Santoso Sameera Gunatileka Vincent Nguy Joo Hyun Lee Mona Santoso Chandra Kowi Mona Santoso Nicky Phiansathiankun Chin Go
2010 Quang Minh Nguyen Bo Rong Holvy de Pauw Quang Minh Nguyen Joo Hyun Lee Yun Peng Holvy de Pauw Yun Peng Wu-Hsi Li Hui-Jung Fu

Question: What is the smallest year for the Boston Badminton Open if the men's singles is Raju Rai?