user: Question: at least how many times was Pierre Vermeulen at a game?
Columns: ['Name', 'Position', 'Period', 'Appearances¹', 'Goals¹', 'Nationality²']
Types: ['text', 'text', 'text', 'real', 'real', 'text']
Sample row: ['Valdo', 'Midfielder', '1991 – 1995', 153.0, 16.0, 'Brazil']
SQL:

assistant: SELECT MIN("Appearances¹") FROM "Table" WHERE "Name" = 'Pierre Vermeulen';