Table: congress_changes_12
Columns: district
vacator
reason_for_change
successor
date_successor_seated

Question: What was the vacator for georgia 2nd?
SQL: SELECT "vacator" FROM congress_changes_12 WHERE "district" = 'Georgia 2nd'

Question: What was the successor for vacant alabama 3rd?
SQL: SELECT "successor" FROM congress_changes_12 WHERE "vacator" = 'Vacant' AND "district" = 'Alabama 3rd'

Question: Who was the successor for vacant louisiana 5th
SQL: SELECT "successor" FROM congress_changes_12 WHERE "vacator" = 'Vacant' AND "district" = 'Louisiana 5th'