user: Question: Which venue has an against value larger than 21 and had Argentina as an opposing team.
Columns: ['Opposing Team', 'Against', 'Date', 'Venue', 'Status']
Types: ['text', 'real', 'text', 'text', 'text']
Sample row: ['Córdoba', 21.0, '21/5/1997', 'Chateau Carreras , Córdoba, Argentina', 'Tour Match']
SQL:

assistant: SELECT "Venue" FROM "Table" WHERE "Against" > 21.0 AND "Opposing Team" = 'Argentina';