Name the womens singles for  raina tzvetkova petya nedelcheva
CREATE TABLE table_14903491_1 (womens_singles VARCHAR, womens_doubles VARCHAR)
SELECT womens_singles FROM table_14903491_1 WHERE womens_doubles = "Raina Tzvetkova Petya Nedelcheva"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_14903491_1 (womens_singles VARCHAR, womens_doubles VARCHAR) Question: Name the womens singles for  raina tzvetkova petya nedelcheva [/INST] SELECT womens_singles FROM table_14903491_1 WHERE womens_doubles = "Raina Tzvetkova Petya Nedelcheva" </s>