CREATE TABLE "north_germanic" (
  "class" text,
  "part_1" text,
  "part_2" text,
  "part_3" text,
  "part_4" text
);

Question: What is Part 1, when Part 2 is "fraus"?
SQL: SELECT "part_1" FROM "north_germanic" WHERE "part_2"='fraus';

Question: What is Part 3, when Part 1 is "frjósa"?
SQL: SELECT "part_3" FROM "north_germanic" WHERE "part_1"='frjósa';

Question: What is Class, when Part 2 is "blétu"?
SQL: SELECT "class" FROM "north_germanic" WHERE "part_3"='blétu';

Question: What is Part 4, when Part 2 is "hljóp"?
SQL: SELECT "part_4" FROM "north_germanic" WHERE "part_2"='hljóp';

Question: What is Part 4, when Part 2 is "batt"?
SQL: SELECT "part_4" FROM "north_germanic" WHERE "part_2"='batt';

Question: What is Part 1, when Part 3 is "heldu"?
SQL: SELECT "part_1" FROM "north_germanic" WHERE "part_3"='heldu';