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_44 (population_1891 INTEGER, headquarters VARCHAR)
### Question:
What is the Population n1891 of the County with Sleaford Headquarters?
### Answer:
SELECT MAX(population_1891) FROM table_name_44 WHERE headquarters = "sleaford"