Name the mens singles for  jeliazko valkov dobrinka peneva
CREATE TABLE table_14903491_1 (mens_singles VARCHAR, mixed_doubles VARCHAR)
SELECT mens_singles FROM table_14903491_1 WHERE mixed_doubles = "Jeliazko Valkov Dobrinka Peneva"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_14903491_1 (mens_singles VARCHAR, mixed_doubles VARCHAR) Question: Name the mens singles for  jeliazko valkov dobrinka peneva [/INST] SELECT mens_singles FROM table_14903491_1 WHERE mixed_doubles = "Jeliazko Valkov Dobrinka Peneva" </s>