Table:
text: List of battles and other violent events by death toll
Human sacrifice and mass suicide
Human sacrifice and mass suicide
Low_Estimate High_Estimate Type_ Location_ Date_
80000 80400 Mass suicide, murder Japan 1945
8000 8000 Mass suicide Mariana Islands 1944
3000 80400 Mass human sacrifice Templo Mayor , Tenochtitlan 1487
960 960 Mass suicide Judea 73
913 913 Mass suicide, murder Guyana 1978
300 1000 Mass suicide Uganda 2000, March
53 53 Mass suicide Switzerland, Canada 1994
39 39 Mass suicide California 1997
16 16 Mass suicide France 1995, December 23

Question: What is the sum of the low estimates given for the 1978 date for human casualties and mass suicides in the list of battles and other violent events by death toll?