Table schema:
CREATE TABLE table_name_37 (prominence__m_ INTEGER, peak VARCHAR, elevation__m_ VARCHAR)

Question: Which Prominence (m) has a Peak of nakanai mountains high point, and an Elevation (m) smaller than 2,316?
SQL: SELECT AVG(prominence__m_) FROM table_name_37 WHERE peak = "nakanai mountains high point" AND elevation__m_ < 2 OFFSET 316