From 2010 to 2015, what was the average overall rating of players who are higher than 170?
from 2010 to 2015 refers to strftime('%Y', date) BETWEEN '2010' AND '2015'; height > 170;
SELECT CAST(SUM(t2.overall_rating) AS REAL) / COUNT(t2.id) FROM Player AS t1 INNER JOIN Player_Attributes AS t2 ON t1.player_api_id = t2.player_api_id WHERE t1.height > 170 AND SUBSTR(t2.`date`, 1, 4) BETWEEN '2010' AND '2015'