Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_83 ( country VARCHAR, date VARCHAR, birth_date VARCHAR )

### Question ###
What country was the woman from who was born 1976-07-23 and became a grandmaster in 1991?

### Accurate SQL ###

SELECT country FROM table_name_83 WHERE date = 1991 AND birth_date = "1976-07-23"