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_51 (year INTEGER, trim VARCHAR, power VARCHAR)
### Question:
What's the Year average that's got Trim of LS/LT and Power of HP (KW)?
### Answer:
SELECT AVG(year) FROM table_name_51 WHERE trim = "ls/lt" AND power = "hp (kw)"