Table: psg_players_7
Columns: name
position
period
appearances
goals
nationality

Question: at least how many times was Pierre Vermeulen at a game?
SQL: SELECT MIN("appearances") FROM psg_players_7 WHERE "name" = 'Pierre Vermeulen'

Question: What country is Richard Vanquelef from?
SQL: SELECT "nationality" FROM psg_players_7 WHERE "name" = 'Richard Vanquelef'

Question: What country is Pierre Vermeulen from?
SQL: SELECT "nationality" FROM psg_players_7 WHERE "name" = 'Pierre Vermeulen'