Table: governor_successors
Columns: state_class
vacator
reason_for_change
successor
date_of_successors_formal_installation

Question: How many total reason for change are listed corresponding to the successor Leonard B. Jordan (r)?
SQL: SELECT COUNT("reason_for_change") FROM governor_successors WHERE "successor" = 'Leonard B. Jordan (R)'

Question: What state had November 30, 1962 as the date of the successors formal installation?
SQL: SELECT "state_class" FROM governor_successors WHERE "date_of_successors_formal_installation" = 'November 30, 1962'

Question: How many vacant seats were filled by newcomer Joseph H. Bottum (r)?
SQL: SELECT COUNT("vacator") FROM governor_successors WHERE "successor" = 'Joseph H. Bottum (R)'