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:
| Year | Mens Singles | Womens Singles | Mens Doubles | Womens Doubles | A Mixed Doubles | B Mixed Doubles |
| --- | --- | --- | --- | --- | --- | --- |
| 1997.0 | Chibing Wu | Vivian Tam | Tomasz Malcharek Chibing Wu | Charlotte Ackerman Liz Wilson | Chibing Wu Alison Brown | Not held |
| 1998.0 | Chibing Wu | Tracey Thompson | Andy Chong Kington Hooi | Daphne Chang Ulrike Von Pfaler | Andy Chong Emily Noyes | Not held |
| 1999.0 | Chibing Wu | Melinda Keszthelyi | Evgueni Dremine Alexei Vassiliev | Mai-Quyen Bui Melinda Keszthelyi | Andy Chong Melinda Keszthelyi | Thomas Vinz Chieko Kittaka |
| 2000.0 | Stuart Arthur | Elie Wu | Evgueni Dremine Alexei Vassiliev | Chantale Bergeron Nancy Desaulniers | Alexei Vassiliev Anna Efremova | Jared Tang Jade Wong |
| 2001.0 | Mike Beres | Kara Solmundson | Trisna Gunadi Ben Wu | Janis Tan Elie Wu | Mike Beres Kara Solmundson | Denis Piliptchouk Maneesha Joshi |
| 2002.0 | Chibing Wu | Elie Wu | Tony Gunawan Khan Malaythong | Janis Tan Elie Wu | Andy Chong Szilvia Szombati | Not held |
| 2003.0 | Jimmy Pohan | Joo Hyun Lee | Andy Chong Chibing Wu | Cindy Shi Eti Tantra | Tony Gunawan Eti Tantra | Jiunnzie Teo Alison Brown |
| 2004.0 | Jackaphan Thanateeratam | Lili Zhou | Khan Malaythong Raju Rai | Valerie Loker Valerie St-Jacques | Jackaphan Thanateeratam Lili Zhou | Norman Lee Wallis Yu |
| 2005.0 | Piotr Mazur | Lili Zhou | Pascal Gagnon Tom Lucas-Piche | Valerie St-Jacques Lili Zhou | Andy Chong Szilvia Szombati | Not held |
| 2006.0 | Raju Rai | Lili Zhou | Howard Bach Bob Malaythong | Eva Lee Mesinee Mangkalakiri | Halim Haryanto Angeline De Pauw | Eric You Jennifer Bachner |
| 2007.0 | Mike Beres | Joo Hyun Lee | Halim Haryanto Bob Malaythong | Angeline De Pauw Mona Santoso | Chandra Kowi Mona Santoso | Not held |
| 2008.0 | Holvy De Pauw | Joo Hyun Lee | Howard Bach Bob Malaythong | Joo Hyun Lee Mona Santoso | Chandra Kowi Mona Santoso | Puttravin Ponpetprayoon Kanitsara Ngoensrisuk |
| 2009.0 | Hock Lai Lee | Mona Santoso | Sameera Gunatileka Vincent Nguy | Joo Hyun Lee Mona Santoso | Chandra Kowi Mona Santoso | Nicky Phiansathiankun Chin Go |
| 2010.0 | 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 least year when men's singles is Raju Rai?
Answer:
2006.0