Table: indian_removal_1830s
Columns: nation
removal_treaty_year_signed
years_of_major_emigration
total_number_emigrated_or_forcibly_removed
number_stayed_in_southeast
deaths_from_warfare

Question: Which Number stayed in Southeast has over 4,000 emigrated or forcibly removed?
SQL: SELECT "number_stayed_in_southeast" FROM indian_removal_1830s 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 indian_removal_1830s 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 indian_removal_1830s WHERE "total_number_emigrated_or_forcibly_removed" = '19,600'

Question: Which removal treaty covered the chickasaw nation?
SQL: SELECT "removal_treaty_year_signed" FROM indian_removal_1830s WHERE "nation" = 'chickasaw'