CREATE TABLE "table1_14903999_1" (
  "year" real,
  "mens_singles" text,
  "womens_singles" text,
  "mens_doubles" text,
  "womens_doubles" text,
  "mixed_doubles" text
);

Question: What was the earliest year Þorvaldur Ásgeirsson Lovísa Sigurðardóttir won mixed doubles
SQL: SELECT MIN("year") FROM "table1_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 "table1_14903999_1" WHERE "mixed_doubles"='Magnús Ingi Helgason Tinna Helgadóttir' AND "womens_singles"='Ragna Ingólfsdóttir' AND "year"=2010;

Question: How many womens doubles had champions the years broddi kristjánsson drífa harðardóttir won mixed doubles
SQL: SELECT COUNT("womens_doubles") FROM "table1_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 "table1_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 "table1_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 "table1_14903999_1" WHERE "mens_doubles"='Sveinn Logi Sölvason Tryggvi Nilsen' AND "womens_singles"='Elsa Nielsen';