Table schema:
CREATE TABLE table_26681728_1 (rank_qualifying INTEGER, score_qualifying VARCHAR, location VARCHAR, year VARCHAR)

Question: In Ghent in 2011, what was the rank-qualifying value when the score-qualifying value was 14.850
SQL: SELECT MAX(rank_qualifying) FROM table_26681728_1 WHERE location = "Ghent" AND year = 2011 AND score_qualifying = "14.850"