CREATE TABLE table_name_44 (mandate_end VARCHAR, office VARCHAR, name_a VARCHAR)

When did Prime Minister Agathe Uwilingiyimana's mandate end?
SELECT mandate_end FROM table_name_44 WHERE office = "prime minister" AND name_a = "agathe uwilingiyimana"
SELECT "mandate_end" FROM "table_name_44" WHERE "agathe uwilingiyimana" = "name_a" AND "office" = "prime minister"