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_18254488_2 (league_cup INTEGER, player VARCHAR)
### Question:
When koki mizuno is the player what is the lowest league cup?
### Answer:
SELECT MIN(league_cup) FROM table_18254488_2 WHERE player = "Koki Mizuno"