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_22368322_2 (date_of_report VARCHAR, tier_1_ratio VARCHAR)
### Question:
Name the date of report for tier 1 ratio being 3.9%
### Answer:
SELECT date_of_report FROM table_22368322_2 WHERE tier_1_ratio = "3.9%"