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_32 (round VARCHAR, opposition VARCHAR, attendance VARCHAR)
### Question:
What round was adelaide united the opposition with an attendance of 18,345?
### Answer:
SELECT round FROM table_name_32 WHERE opposition = "adelaide united" AND attendance = "18,345"