Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_12104319_1 (mens_singles VARCHAR, womens_doubles VARCHAR)
### Question:
Name the men's singles of marina yakusheva elena shimko
### Answer:
SELECT mens_singles FROM table_12104319_1 WHERE womens_doubles = "Marina Yakusheva Elena Shimko"