user: Question: Which play had a base of Aosta?
Columns: ['play', 'author', 'company', 'base', 'country']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Electra', 'Euripides', 'Radu Stanca National Theatre', 'Sibiu', 'Romania']
SQL:

assistant: SELECT "play" FROM "Table" WHERE "base" = 'Aosta';