CREATE TABLE "southern_removals" (
  "nation" text,
  "removal_treaty_year_signed" text,
  "years_of_major_emigration" text,
  "total_number_emigrated_or_forcibly_removed" text,
  "number_stayed_in_southeast" text,
  "deaths_from_warfare" text
);

Question: Which Number stayed in Southeast has over 4,000 emigrated or forcibly removed?
SQL: SELECT "number_stayed_in_southeast" FROM "southern_removals" WHERE "total_number_emigrated_or_forcibly_removed"='over 4,000';

Question: How many warfare deaths befell the choctaw nation?
SQL: SELECT "deaths_from_warfare" FROM "southern_removals" WHERE "nation"='choctaw';

Question: How many of those who stayed in the southeast had 19,600 emigrated or forcibly removed?
SQL: SELECT "number_stayed_in_southeast" FROM "southern_removals" WHERE "total_number_emigrated_or_forcibly_removed"='19,600';

Question: Which removal treaty covered the chickasaw nation?
SQL: SELECT "removal_treaty_year_signed" FROM "southern_removals" WHERE "nation"='chickasaw';