Who won womens doubles the year magnús ingi helgason tinna helgadóttir won mixed doubles and ragna ingólfsdóttir won womens singles in 2010
CREATE TABLE "table1_14903999_1" (
  "year" real,
  "mens_singles" text,
  "womens_singles" text,
  "mens_doubles" text,
  "womens_doubles" text,
  "mixed_doubles" text
);
SELECT "womens_doubles" FROM "table1_14903999_1" WHERE "mixed_doubles"='Magnús Ingi Helgason Tinna Helgadóttir' AND "womens_singles"='Ragna Ingólfsdóttir' AND "year"=2010;