Question: Name the date successor seated for Contested election; served until February 14, 1794
SQL: SELECT "Date successor seated" FROM "1-224837-4" WHERE "Reason for change" = 'Contested election; served until February 14, 1794';

Question: Name the date successor seated for Delegate seat established
SQL: SELECT "Date successor seated" FROM "1-224837-4" WHERE "Reason for change" = 'Delegate seat established';

Question: Name the date successor seated is South Carolina 3rd
SQL: SELECT "Date successor seated" FROM "1-224837-4" WHERE "District" = 'South Carolina 3rd';