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_23449363_1 (leagues_entering_at_this_round VARCHAR, round VARCHAR)
### Question:
Which leagues entered an extra preliminary round?
### Answer:
SELECT leagues_entering_at_this_round FROM table_23449363_1 WHERE round = "Extra Preliminary round"