Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_25316812_1 (authority VARCHAR, budget_limit__£m_ VARCHAR)
### Question:
What is the authority who set the budget limit (£m) at 900?
### Answer:
SELECT authority FROM table_25316812_1 WHERE budget_limit__£m_ = "900"