Table: greek_national_badminton_champs
Columns: year
mens_singles
womens_singles
mens_doubles
womens_doubles
mixed_doubles

Question: Name the womens doubles when mens doubles is charalambos kazilas stepan partemian
SQL: SELECT "womens_doubles" FROM greek_national_badminton_champs WHERE "mens_doubles" = 'Charalambos Kazilas Stepan Partemian'

Question: Name the womens doubles when mixed doubles is potten ruth scott
SQL: SELECT "womens_doubles" FROM greek_national_badminton_champs WHERE "mixed_doubles" = 'Potten Ruth Scott'

Question: Name the mens singles when mens doubles is george georgoudis gerostergiou
SQL: SELECT "mens_singles" FROM greek_national_badminton_champs WHERE "mens_doubles" = 'George Georgoudis Gerostergiou'

Question: Name the womens doubles when mens doubles is theodoros velkos giorgos patis
SQL: SELECT "womens_doubles" FROM greek_national_badminton_champs WHERE "mens_doubles" = 'Theodoros Velkos Giorgos Patis'