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_13681_2 (equivalent_daily_inflation_rate VARCHAR, time_required_for_prices_to_double VARCHAR)
### Question:
 how many equivalent daily inflation rate with time required for prices to double being 3.7 days
### Answer:
SELECT COUNT(equivalent_daily_inflation_rate) FROM table_13681_2 WHERE time_required_for_prices_to_double = "3.7 days"