Table: greek_drama_festival_4
Columns: play
author
company
base
country

Question: Which base has a company of Theatro Technis Karolos Koun?
SQL: SELECT "base" FROM greek_drama_festival_4 WHERE "company" = 'theatro technis karolos koun'

Question: Which company has an author of Aristophanes and play of Plutus?
SQL: SELECT "company" FROM greek_drama_festival_4 WHERE "author" = 'aristophanes' AND "play" = 'plutus'

Question: Which author has a company of the Semeio Theatre?
SQL: SELECT "author" FROM greek_drama_festival_4 WHERE "company" = 'semeio theatre'

Question: Which play was done by the Radu Stanca National Theatre company?
SQL: SELECT "play" FROM greek_drama_festival_4 WHERE "company" = 'radu stanca national theatre'

Question: Which play had a base of Aosta?
SQL: SELECT "play" FROM greek_drama_festival_4 WHERE "base" = 'aosta'

Question: What is the country of the play based in Athens at the Attis Theatre company?
SQL: SELECT "country" FROM greek_drama_festival_4 WHERE "base" = 'athens' AND "company" = 'attis theatre'