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_name_81 (hs_principal VARCHAR, year VARCHAR)
### Question:
Who is the h.s. principal during 1973-1974?
### Answer:
SELECT hs_principal FROM table_name_81 WHERE year = "1973-1974"