What was the earliest year Þorvaldur Ásgeirsson Lovísa Sigurðardóttir won mixed doubles
CREATE TABLE table_14903999_1 (year INTEGER, mixed_doubles VARCHAR)
SELECT MIN(year) FROM table_14903999_1 WHERE mixed_doubles = "Þorvaldur Ásgeirsson Lovísa Sigurðardóttir"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_14903999_1 (year INTEGER, mixed_doubles VARCHAR) Question: What was the earliest year Þorvaldur Ásgeirsson Lovísa Sigurðardóttir won mixed doubles [/INST] SELECT MIN(year) FROM table_14903999_1 WHERE mixed_doubles = "Þorvaldur Ásgeirsson Lovísa Sigurðardóttir" </s>