Question: In what year did Carmen Worley win in the women's singles category?
SQL: SELECT "Year" FROM "2-15002110-1" WHERE "Women's singles" = 'Carmen Worley';

Question: Who won in the men's doubles in 1980?
SQL: SELECT "Men's doubles" FROM "2-15002110-1" WHERE "Year" = '1980';

Question: Who won in mixed doubles in 2008?
SQL: SELECT "Mixed doubles" FROM "2-15002110-1" WHERE "Year" = '2008';

Question: Who won women's double in 2002, the year that Kenneth Vella won men's singles?
SQL: SELECT "Women's doubles" FROM "2-15002110-1" WHERE "Men's singles" = 'Kenneth Vella' AND "Year" = '2002';