Table schema:
CREATE TABLE table_13223187_1 (michelob_ultra_mountains_classification_gold_polka_dot_jersey VARCHAR, drury_hotels_most_aggressive_rider_red_jersey VARCHAR)

Question: How many michelob ultra mountains classification for darren lill
SQL: SELECT COUNT(michelob_ultra_mountains_classification_gold_polka_dot_jersey) FROM table_13223187_1 WHERE drury_hotels_most_aggressive_rider_red_jersey = "Darren Lill"