CREATE TABLE table_name_15 (kilometer INT, average_climb___percentage_ VARCHAR, name VARCHAR, pavement VARCHAR, length__m_ VARCHAR)

What is the Kilometer of the Berendries asphalt course with an Average climb less than 7 and Length (m) longer than 645?
SELECT AVG(kilometer) FROM table_name_15 WHERE pavement = "asphalt" AND length__m_ > 645 AND name = "berendries" AND average_climb___percentage_ < 7
SELECT AVG("kilometer") FROM "table_name_15" WHERE "asphalt" = "pavement" AND "average_climb___percentage_" < 7 AND "berendries" = "name" AND "length__m_" > 645