Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_19677 ( "Year" real, "Mens singles" text, "Womens singles" text, "Mens doubles" text, "Womens doubles" text, "Mixed doubles" text )

### Question ###
Who won womens doubles the year magn s ingi helgason tinna helgad ttir won mixed doubles and ragna ing lfsd ttir won womens singles in 2010

### Accurate SQL ###

SELECT "Womens doubles" FROM table_19677 WHERE "Mixed doubles" = 'Magnús Ingi Helgason Tinna Helgadóttir' AND "Womens singles" = 'Ragna Ingólfsdóttir' AND "Year" = '2010'