Question: What is the year when Conrad Hückstädt won Men's Single?
SQL: SELECT "Year" FROM "2-12233108-1" WHERE "Men's singles" = 'Conrad Hückstädt';

Question: Who won the Men's Double the same year as Florentina Petre winning the Women's Singles?
SQL: SELECT "Men's doubles" FROM "2-12233108-1" WHERE "Women's singles" = 'Florentina Petre';

Question: In what year was there No competition for women?
SQL: SELECT "Year" FROM "2-12233108-1" WHERE "Women's singles" = 'No competition';