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_91 (tier VARCHAR, division VARCHAR, cup_competitions VARCHAR)
### Question:
Which tier has a division of LEB 2 and Cup Competitions of Copa LEB Plata runner-up?
### Answer:
SELECT tier FROM table_name_91 WHERE division = "leb 2" AND cup_competitions = "copa leb plata runner-up"