Question: Women's doubles of Cornelia Marxer Astrid Wanger, and a Mixed doubles of Mario Minder Astrid Wanger, and a Women's singles of Cornelia Marxer has what highest year?
SQL: SELECT MAX("Year") FROM "2-15001681-1" WHERE "Women's doubles" = 'Cornelia Marxer Astrid Wanger' AND "Mixed doubles" = 'Mario Minder Astrid Wanger' AND "Women's singles" = 'Cornelia Marxer';

Question: Men's singles of Kilian Pfister, and a Women's doubles of Astrid Eidenbenz Claudia Jehle has what average year?
SQL: SELECT AVG("Year") FROM "2-15001681-1" WHERE "Men's singles" = 'Kilian Pfister' AND "Women's doubles" = 'Astrid Eidenbenz Claudia Jehle';

Question: Women's singles of Michaela Ritter, and a Men's singles of Andreas Radl has what women's doubles?
SQL: SELECT "Women's doubles" FROM "2-15001681-1" WHERE "Women's singles" = 'Michaela Ritter' AND "Men's singles" = 'Andreas Radl';

Question: Women's singles of Astrid Eidenbenz, and a Men's doubles of no competition is part of mixed doubles?
SQL: SELECT "Mixed doubles" FROM "2-15001681-1" WHERE "Women's singles" = 'Astrid Eidenbenz' AND "Men's doubles" = 'no competition';