CREATE TABLE table_name_30 (season VARCHAR, premier VARCHAR, score VARCHAR)

How many seasons feature essendon, and a Score of 15.12 (102) 9.14 (68)?
SELECT COUNT(season) FROM table_name_30 WHERE premier = "essendon" AND score = "15.12 (102) – 9.14 (68)"
SELECT COUNT("season") FROM "table_name_30" WHERE "15.12 (102) – 9.14 (68)" = "score" AND "essendon" = "premier"