CREATE TABLE "human_sacrifice_and_mass_suicide" (
  "low_estimate" real,
  "high_estimate" real,
  "type" text,
  "location" text,
  "date" text
);

Question: With a type of mass suicide located in France and a low estimate greater than 16, the sum of the high estimate numbers listed is what number?
SQL: SELECT SUM("high_estimate") FROM "human_sacrifice_and_mass_suicide" WHERE "type"='mass suicide' AND "location"='france' AND "low_estimate">16;

Question: What is the sum of low estimate(s) that is listed for the date of 1978?
SQL: SELECT SUM("low_estimate") FROM "human_sacrifice_and_mass_suicide" WHERE "date"='1978';