Table: vacancy_successors_3
Columns: district
vacator
reason_for_change
successor
date_successor_seated

Question: Name the vacator for reason for change died january 12, 1826
SQL: SELECT "vacator" FROM vacancy_successors_3 WHERE "reason_for_change" = 'Died January 12, 1826'

Question: Name the reason for change pennsylvania 13th
SQL: SELECT "reason_for_change" FROM vacancy_successors_3 WHERE "district" = 'Pennsylvania 13th'

Question: Name the vacator for died august 13, 1826
SQL: SELECT "vacator" FROM vacancy_successors_3 WHERE "reason_for_change" = 'Died August 13, 1826'