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_12 (year INTEGER, competition VARCHAR, position VARCHAR)
### Question:
Which year did the World indoor championships gave a position of 3rd?
### Answer:
SELECT SUM(year) FROM table_name_12 WHERE competition = "world indoor championships" AND position = "3rd"