Below is an instruction that describes a task. Write a response that appropriately completes the request.

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

### Inputs:
table_name: table, columns: ['Name a', 'Country', 'Office', 'Mandate start', 'Mandate end', 'Term length']

### Response:
SELECT Mandate end FROM table WHERE Office = prime minister AND Name a = agathe uwilingiyimana