CREATE TABLE "hardtack_ii_tests" (
  "name" text,
  "location" text,
  "elevation_height" text,
  "delivery" text,
  "purpose" text,
  "yield" text
);

Question: What was the locaction of the Evans test blast?
SQL: SELECT "location" FROM "hardtack_ii_tests" WHERE "name"='evans';

Question: What was the yield for a blast that was in nts area 3s?
SQL: SELECT "yield" FROM "hardtack_ii_tests" WHERE "location"='nts area 3s';

Question: What was the purpose of the Quay test blast?
SQL: SELECT "purpose" FROM "hardtack_ii_tests" WHERE "name"='quay';