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_1847523_2 (owned_since INTEGER, station VARCHAR)
### Question:
What is the minimum stations owned since kero-tv?
### Answer:
SELECT MIN(owned_since) FROM table_1847523_2 WHERE station = "KERO-TV"