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_1373542_1 (date_announced VARCHAR, reported_cost VARCHAR)
### Question:
On what date was it announced that an asset was acquired for US$9 Million? 
### Answer:
SELECT date_announced FROM table_1373542_1 WHERE reported_cost = "US$9 million"