CREATE TABLE table_14903999_1 (womens_doubles VARCHAR, year VARCHAR, mixed_doubles VARCHAR, womens_singles VARCHAR)
SELECT womens_doubles FROM table_14903999_1 WHERE mixed_doubles = "Magnús Ingi Helgason Tinna Helgadóttir" AND womens_singles = "Ragna Ingólfsdóttir" AND year = 2010
ใครชนะประเภทหญิงคู่ในปีนี้ Magnus Ingi Helgason tinna Helgadóttir ชนะประเภทคู่ผสม และ Ragna ingólfsdóttir ชนะประเภทหญิงเดี่ยวในปี 2010
Who won womens doubles the year magnús ingi helgason tinna helgadóttir won mixed doubles and ragna ingólfsdóttir won womens singles in 2010