CREATE TABLE table_name_51 (high_estimate INT, low_estimate VARCHAR, type VARCHAR, location VARCHAR)

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?
SELECT SUM(high_estimate) FROM table_name_51 WHERE type = "mass suicide" AND location = "france" AND low_estimate > 16
SELECT SUM("high_estimate") FROM "table_name_51" WHERE "france" = "location" AND "low_estimate" > 16 AND "mass suicide" = "type"