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 (hydroelectricity INTEGER, total VARCHAR, solar VARCHAR)
### Question:
What is the minimum hydroelectricity with a less than 116.4 total, and a greater than 18.637 solar?
### Answer:
SELECT MIN(hydroelectricity) FROM table_name_51 WHERE total < 116.4 AND solar > 18.637