user: Question: what is the play when the company is National Theatre of Greece?
Columns: ['play', 'author', 'company', 'base', 'country']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Alcestis', 'Euripides', 'Free Space Theatre for Youth', 'Oryol', 'Russia']
SQL:

assistant: SELECT "play" FROM "Table" WHERE "company" = 'National Theatre of Greece';