What's the post position when the lengths behind is 0?
CREATE TABLE table_name_74 (post_position INTEGER, lengths_behind VARCHAR)
SELECT AVG(post_position) FROM table_name_74 WHERE lengths_behind = "0"
### Context: CREATE TABLE table_name_74 (post_position INTEGER, lengths_behind VARCHAR) ### Question: What's the post position when the lengths behind is 0? ### Answer: SELECT AVG(post_position) FROM table_name_74 WHERE lengths_behind = "0"