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_16 (year INTEGER, us_cham_rank INTEGER)
### Question:
Which Year is the lowest one that has a US Cham Rank smaller than 1?
### Answer:
SELECT MIN(year) FROM table_name_16 WHERE us_cham_rank < 1