Database: european_football_2
Question: How was the build up play dribbling class for "LEI" on 2015/9/10?
SQL: SELECT t2.buildUpPlayDribblingClass FROM Team AS t1 INNER JOIN Team_Attributes AS t2 ON t1.team_api_id = t2.team_api_id WHERE t1.team_short_name = 'LEI' AND SUBSTR(t2.`date`, 1, 10) = '2015-09-10'