Question: What year had a Women's doubles and Women's singles with No competition?
SQL: SELECT "Year" FROM "2-12152672-1" WHERE "Women's doubles" = 'No competition' AND "Women's singles" = 'No competition';

Question: The year the Women's singles was won by Christine Magnusson who was the winner of the Men's singles?
SQL: SELECT "Men's singles" FROM "2-12152672-1" WHERE "Women's singles" = 'Christine Magnusson';

Question: In 1982, when the Men's doubles had No competition who won the Women's singles?
SQL: SELECT "Women's singles" FROM "2-12152672-1" WHERE "Men's doubles" = 'No competition' AND "Year" = '1982';

Question: When Steve Baddeley won the Men's singles who won the Women's singles?
SQL: SELECT "Women's singles" FROM "2-12152672-1" WHERE "Men's singles" = 'Steve Baddeley';

Question: When Marja Ridder won the Women's singles who won the Men's singles?
SQL: SELECT "Men's singles" FROM "2-12152672-1" WHERE "Women's singles" = 'Marja Ridder';