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_83 (lane INTEGER, time VARCHAR, nationality VARCHAR)
### Question:
Which Lane has a Time larger than 20.5, and a Nationality of trinidad and tobago?
### Answer:
SELECT AVG(lane) FROM table_name_83 WHERE time > 20.5 AND nationality = "trinidad and tobago"