When was the 'first season of current spell in top division' if the first season in top division is in 1964-65?
create table table_18143210_2 (first_season_of_current_spell_in_top_division varchar, first_season_in_top_division varchar, PRIMARY KEY (first_season_of_current_spell_in_top_division))
select first_season_of_current_spell_in_top_division from table_18143210_2 where first_season_in_top_division = "1964-65"