Table:
text: Vice President of Laos
Vice President of Laos
Vice President of Laos
Name_ Took_Office Left_Office President Party
Sisavath Keobounphanh 1996 1998 Nouhak Phoumsavanh Lao People`s Revolutionary Party
Oudom Khattigna 1998 1999 Khamtai Siphandon Lao People`s Revolutionary Party
Vacant (1999-2001) Vacant (1999-2001) Vacant (1999-2001) Vacant (1999-2001) Vacant (1999-2001)
Choummaly Sayasone 2001 2006 Khamtai Siphandon Lao People`s Revolutionary Party
Bounnhang Vorachith 2006 Incumbent Choummaly Sayasone Lao People`s Revolutionary Party

Question: The Vice President of Laos was vacant when he took office, when he took office was 2006 ?

Question: What is Leav's left office when the party is vacant (1999-2001) under the Vice President of Laos?

Question: What is party when the name under Vice President of Laos is Oudom Khattgna?

Question: What is Vice President of Laos as a party when he took office in 1998?

Question: What is a vacant post when inauguration is 1998 for the Vice President of Laos?