CREATE TABLE "table1_1446600_4" (
  "district" text,
  "vacator" text,
  "reason_for_change" text,
  "successor" text,
  "date_successor_seated" text
);

Question: What is the date the successor was seated for the georgia 6th district?
SQL: SELECT "date_successor_seated" FROM "table1_1446600_4" WHERE "district"='Georgia 6th';

Question: How many successors are from the georgia 2nd district?
SQL: SELECT COUNT("successor") FROM "table1_1446600_4" WHERE "district"='Georgia 2nd';