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_16162581_1 (pinyin VARCHAR, wade_giles VARCHAR)
### Question:
Name the total number of pinyin for hsin-yüan-i-ma
### Answer:
SELECT COUNT(pinyin) FROM table_16162581_1 WHERE wade_giles = "hsin-yüan-i-ma"