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_28 (decay_mode VARCHAR, discovery_year VARCHAR, isotope VARCHAR)
### Question:
What is the decay mode of the 265m hs isotope discovered in 1984?
### Answer:
SELECT decay_mode FROM table_name_28 WHERE discovery_year = "1984" AND isotope = "265m hs"