Question: Which Number stayed in Southeast has over 4,000 emigrated or forcibly removed?
SQL: SELECT "Number stayed in Southeast" FROM "2-15080-1" 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 "2-15080-1" 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 "2-15080-1" WHERE "Total number emigrated or forcibly removed" = '19,600';

Question: Which removal treaty covered the Chickasaw nation?
SQL: SELECT "Removal treaty (year signed)" FROM "2-15080-1" WHERE "Nation" = 'Chickasaw';