CREATE TABLE "duchy_of_bavaria" (
  "image" text,
  "father" text,
  "birth" text,
  "ceased_to_be_duchess" text,
  "death" text,
  "husband" text
);

Question: Which father had william iv as a husband?
SQL: SELECT "father" FROM "duchy_of_bavaria" WHERE "husband"='william iv';

Question: What is the death date of elisabeth of lorraine?
SQL: SELECT "death" FROM "duchy_of_bavaria" WHERE "image"='elisabeth of lorraine';

Question: Which duchess was born on 9 october 1574?
SQL: SELECT "ceased_to_be_duchess" FROM "duchy_of_bavaria" WHERE "birth"='9 october 1574';

Question: Which image is of the woman married to william iv?
SQL: SELECT "image" FROM "duchy_of_bavaria" WHERE "husband"='william iv';

Question: Who is the husband of the image of renata of lorraine?
SQL: SELECT "husband" FROM "duchy_of_bavaria" WHERE "image"='renata of lorraine';

Question: Who was the husband of marie of baden-sponheim?
SQL: SELECT "husband" FROM "duchy_of_bavaria" WHERE "image"='marie of baden-sponheim';