Table:
text: Liechtensteiner National Badminton Championships
Past winners
Past winners
Year_ Mens_singles Womens_singles Mens_doubles Womens_doubles Mixed_doubles
1999 Guenther Schaedler Bettina Kaiser Kilian Pfister Frank Kamsma Bettina Kaiser Claudia Jehle Kilian Pfister Bettina Kaiser
2000 Kilian Pfister Michaela Ritter Kilian Pfister Frank Kamsma Claudia Jehle Caroline Schneider Kilian Pfister Caroline Schneider
2001 Armand Jehle Michaela Ritter Armand Jehle Bruno Staeheli Claudia Jehle Caroline Schneider Kilian Pfister Caroline Schneider
2002 Kilian Pfister Claudia Jehle Kilian Pfister Walter Sturm Astrid Eidenbenz Claudia Jehle Kilian Pfister Nadia Gartmann
2003 Andreas Radl Michaela Ritter Roland Hilti Zeno John Michaela Ritter Doris DiMarzio Zeno John Michaela Ritter
2004 Kilian Pfister Daniela Kressig Andreas Radl Kilian Pfister Claudia Jehle Carolin Schneider Walter Sturm Carolin Schneider

text: Liechtensteiner National Badminton Championships
Past winners
Past winners
Year_ Mens_singles Womens_singles Mens_doubles Womens_doubles Mixed_doubles
1986 Armand Jehle Cornelia Marxer Armand Jehle Markus Becker Cornelia Marxer Astrid Wanger Lothar Iser Astrid Wanger
1987 Armand Jehle Cornelia Marxer Armand Jehle Markus Becker Cornelia Marxer Astrid Wanger Lothar Iser Astrid Wanger
1988 Armand Jehle Cornelia Marxer Guenther Schaedler Mario Minder Cornelia Marxer Astrid Wanger Mario Minder Astrid Wanger
1989 Mario Minder Astrid Wanger Guenther Schaedler Mario Minder Cornelia Marxer Astrid Wanger Mario Minder Astrid Wanger
1990 Mario Minder Myriam Eisensohn Ernst Bolkart Roland Hilti no competition Mario Minder Astrid Wanger
1991 Armand Jehle Astrid Eidenbenz no competition no competition no competition

text: Liechtensteiner National Badminton Championships
Past winners
Past winners
Year_ Mens_singles Womens_singles Mens_doubles Womens_doubles Mixed_doubles
1992 Armand Jehle Nadine Velten Guenther Schaedler Thomas Fischer Andrea Fischer Silvia Baur Thomas Fischer Andrea Fischer
1993 Michel Baumgartner Nadine Velten no competition no competition no competition
1994 Gunther Schadler Nadine Velten Lothar Iser Edi Niedhart Michaela Ritter Nadine Velten Roger Jacquat Patrizia Wanger
1995 Andreas Radl Claudia Jehle Lothar Iser Ralf Iser Karin Lehmann Birgit Oehri Andreas Radl Karin Lehmann
1996 Guenther Schaedler Astrid Eidenbenz Andreas Radl Sandro Woodtli Daniela Kressig Vreni Altherr Sandro Woodtli Georgia Timmermann
1997 Armand Jehle Anja Buechel Kilian Pfister Roger Jacquat Anja Buchel Michaela Ritter Roger Jacquat Patrizia Wanger
1998 Armand Jehle Astrid Eidenbenz Kilian Pfister Frank Kamsma no competition no competition

Question: 2001, for the Liechtenstein National Badminton Championships, where the men's singles is Armand Jehle and the women's singles is Michaela Ritter, who are the mixed doubles?