Question: What was the earliest year Þorvaldur Ásgeirsson Lovísa Sigurðardóttir won mixed doubles
SQL: SELECT MIN("Year") FROM "1-14903999-1" WHERE "Mixed doubles" = 'Þorvaldur Ásgeirsson Lovísa Sigurðardóttir';

Question: Who won womens doubles the year Magnús Ingi Helgason Tinna Helgadóttir won mixed doubles and Ragna Ingólfsdóttir won womens singles in 2010
SQL: SELECT "Womens doubles" FROM "1-14903999-1" WHERE "Mixed doubles" = 'Magnús Ingi Helgason Tinna Helgadóttir' AND "Womens singles" = 'Ragna Ingólfsdóttir' AND "Year" = 2010.0;

Question: How many womens doubles had champions the years Broddi Kristjánsson Drífa Harðardóttir won mixed doubles
SQL: SELECT COUNT("Womens doubles") FROM "1-14903999-1" WHERE "Mixed doubles" = 'Broddi Kristjánsson Drífa Harðardóttir';

Question: Who won mixed doubles the years Einar Jónsson Wagner Walbom won mens doubles and Wagner Walbom won mens singles
SQL: SELECT "Mixed doubles" FROM "1-14903999-1" WHERE "Mens doubles" = 'Einar Jónsson Wagner Walbom' AND "Mens singles" = 'Wagner Walbom';

Question: What was the last year Árni Þór Hallgrímsson Drífa Harðardóttir won mixed doubles
SQL: SELECT MAX("Year") FROM "1-14903999-1" WHERE "Mixed doubles" = 'Árni Þór Hallgrímsson Drífa Harðardóttir';

Question: Who won mens singles the year Sveinn Logi Sölvason Tryggvi Nilsen won mens doubles and Elsa Nielsen won womens singles
SQL: SELECT "Mens singles" FROM "1-14903999-1" WHERE "Mens doubles" = 'Sveinn Logi Sölvason Tryggvi Nilsen' AND "Womens singles" = 'Elsa Nielsen';