CREATE TABLE table_56179 ("Name" CLOB, "Location" CLOB, "Elevation + Height" CLOB, "Delivery" CLOB, "Purpose" CLOB, "Yield" CLOB)

What was the yield for a blast that was in nts area 3s?
SELECT "Yield" FROM table_56179 WHERE "Location" = 'nts area 3s'
SELECT "Yield" FROM "table_56179" WHERE "Location" = 'nts area 3s'