What is the birth date of the duchess who married on 1 May 1844?
CREATE TABLE table_name_16 (birth VARCHAR, marriage VARCHAR)
SELECT birth FROM table_name_16 WHERE marriage = "1 may 1844"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_16 (birth VARCHAR, marriage VARCHAR) Question: What is the birth date of the duchess who married on 1 May 1844? [/INST] SELECT birth FROM table_name_16 WHERE marriage = "1 may 1844" </s>