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_50 (authority VARCHAR, scientic_name VARCHAR)
### Question:
What is the authority of the scientific name of O. Tricuspis?
### Answer:
SELECT authority FROM table_name_50 WHERE scientic_name = "o. tricuspis"