What is the womens singles of marcus ellis gabrielle white?
CREATE TABLE table_12104319_1 (womens_singles VARCHAR, mixed_doubles VARCHAR)
SELECT womens_singles FROM table_12104319_1 WHERE mixed_doubles = "Marcus Ellis Gabrielle White"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_12104319_1 (womens_singles VARCHAR, mixed_doubles VARCHAR) Question: What is the womens singles of marcus ellis gabrielle white? [/INST] SELECT womens_singles FROM table_12104319_1 WHERE mixed_doubles = "Marcus Ellis Gabrielle White" </s>