CREATE TABLE "careers" (
  "career_card" text,
  "starting_career_salary" text,
  "2nd_career_salary" text,
  "3rd_career_salary" text,
  "4th_career_salary" text,
  "5th_career_salary" text,
  "6th_career_salary" text
);

Question: 4th career/salary of navigator ($90,000-degree) involves what 3rd career/salary?
SQL: SELECT "3rd_career_salary" FROM "careers" WHERE "4th_career_salary"='navigator ($90,000-degree)';

Question: 5th career/salary of automotive designer ($350,000-degree) had what career card?
SQL: SELECT "career_card" FROM "careers" WHERE "5th_career_salary"='automotive designer ($350,000-degree)';

Question: 2nd career/salary of substitute teacher ($20,000) involves what 6th career/salary?
SQL: SELECT "6th_career_salary" FROM "careers" WHERE "2nd_career_salary"='substitute teacher ($20,000)';

Question: 6th career/salary of design consultant ($500,000-degree) involves what 3rd career/salary?
SQL: SELECT "3rd_career_salary" FROM "careers" WHERE "6th_career_salary"='design consultant ($500,000-degree)';

Question: 4th career/salary of clown ($80,000) had what 2nd career/salary?
SQL: SELECT "2nd_career_salary" FROM "careers" WHERE "4th_career_salary"='clown ($80,000)';

Question: 5th career/salary of restaurant manager ($250,000) had what 2nd career/salary?
SQL: SELECT "2nd_career_salary" FROM "careers" WHERE "5th_career_salary"='restaurant manager ($250,000)';