Table:
text: List of rampage killers
Asia
Asia
Perpetrator Date_ Year_ Location_ Country Killed Injured
Woo Bum-Kon , 27 04.26 April 26/27 1982 Uiryeong South Korea 56 34–37
Feng Wanhai, 26 Jiang Liming, 22 11.18 Nov. 18 1995 Zhaodong China 32 16
Toi, Mutsuo , 21 05.21 May 21 1938 Kaio Japan 30 03 3
Tian Mingjian , 31 09.20 Sep. 20 1994 Beijing China 23 30–80
Michael Zhu 04.00 April 1950 Nainital India 22 0.0 ?
Rz 06.32 1939.9 Cz Cz 100.9 100.9
Unknown 04.01 April 1 1978 Dong Doc Laos 16 60
Bales, Robert , 38 03.11 March 11 2012 Najeeban & Alkozai Afghanistan 16 6

text: List of rampage killers
Asia
Asia
Perpetrator Date_ Year_ Location_ Country Killed Injured
Yuan Daizhong, 41 11.18 Nov. 18 2004 Yueyang & Xima China 15 28
Harphul Singh 07.23 July 23 1930 Tohana India 15 0.0 ?
Ramesh Sharma , 28 07.23 July 23 1983 Mandsaur India 14 09 9
Tz 08.32 1999.9 Lz Iz 100.9 100.9
Hu Wenhai, 46 Liu Haiwang, 40 10.26 Oct. 26 2001 Dayukou China 14 03 3
Unknown Soldier 06.14 June 14 1912 Guangzhou China 14 02.1 2+
Unknown 08.00 Aug. 1938 Bhatinda India 12 08 8
Shi Yuejun , 35 09.24 Sep. 24–29 2006 Liuhe & Tonghua county China 12 05 5
Duong Van Mon, 35 08.08 Aug. 8 1998 Đắk Lắk Province Vietnam 12 02.6 2–6

Question: Among the gunmen, what is the country of Asia if killed is "100.9" and if year is greater than 1939.9?