CREATE TABLE table_56180 ("Name" CLOB, "Location" CLOB, "Elevation + Height" CLOB, "Delivery" CLOB, "Purpose" CLOB, "Yield" CLOB)

What was the purpose of the Quay test blast?
SELECT "Purpose" FROM table_56180 WHERE "Name" = 'quay'
SELECT "Purpose" FROM "table_56180" WHERE "Name" = 'quay'