How many womens doubles had champions the years broddi kristj nsson dr fa har ard ttir won mixed doubles
CREATE TABLE table_19678 (
    "Year" real,
    "Mens singles" text,
    "Womens singles" text,
    "Mens doubles" text,
    "Womens doubles" text,
    "Mixed doubles" text
)
SELECT COUNT("Womens doubles") FROM table_19678 WHERE "Mixed doubles" = 'Broddi Kristjánsson Drífa Harðardóttir'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: How many womens doubles had champions the years broddi kristj nsson dr fa har ard ttir won mixed doubles ### Input: CREATE TABLE table_19678 (
    "Year" real,
    "Mens singles" text,
    "Womens singles" text,
    "Mens doubles" text,
    "Womens doubles" text,
    "Mixed doubles" text
) ### Response: SELECT COUNT("Womens doubles") FROM table_19678 WHERE "Mixed doubles" = 'Broddi Kristjánsson Drífa Harðardóttir'