Table: psg_players_2
Columns: name
position
period
appearances
goals
nationality

Question: which position did pierre bajoc play?
SQL: SELECT "position" FROM psg_players_2 WHERE "name" = 'Pierre Bajoc'

Question: during which period did albert baning play?
SQL: SELECT "period" FROM psg_players_2 WHERE "name" = 'Albert Baning'