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_29 (venue VARCHAR, year VARCHAR, competition VARCHAR)
### Question:
What venue had a competition of World Junior Championships before 2011?
### Answer:
SELECT venue FROM table_name_29 WHERE year < 2011 AND competition = "world junior championships"