question: What is the average prominence in m of pietrosul rodnei peak, which has an elevation less than 2,303?
answer: SELECT AVG(prominence__m_) FROM table_name_48 WHERE peak = "pietrosul rodnei" AND elevation__m_ < 2 OFFSET 303
context: CREATE TABLE table_name_48 (prominence__m_ INTEGER, peak VARCHAR, elevation__m_ VARCHAR)