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_1973729_2 (joined INTEGER, current_conference VARCHAR)
### Question:
What joined year does Dropped Athletics have?
### Answer:
SELECT MAX(joined) FROM table_1973729_2 WHERE current_conference = "Dropped athletics"