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_44 ( mandate_end VARCHAR, office VARCHAR, name_a VARCHAR )

### Question ###
When did Prime Minister Agathe Uwilingiyimana's mandate end?

### Accurate SQL ###

SELECT mandate_end FROM table_name_44 WHERE office = "prime minister" AND name_a = "agathe uwilingiyimana"