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_99 (year VARCHAR, bb_ VARCHAR, hbp VARCHAR)
### Question:
The year that has a BB + HBP of 51 is listed as?
### Answer:
SELECT year FROM table_name_99 WHERE bb_ + hbp = 51