Table schema:
CREATE TABLE table_name_54 (position INTEGER, points VARCHAR, goals_ VARCHAR, __ VARCHAR)

Question: What is the average position of Eesti Põlevkivi Jõhvi when they had less than 13 points and worse than a -12 goal differential?
SQL: SELECT AVG(position) FROM table_name_54 WHERE points < 13 AND goals_ + __ > -12