CREATE TABLE table_name_46 (season INTEGER, margin VARCHAR, venue VARCHAR, score VARCHAR)
When is the earliest season at waverley park, a Score of 15.12 (102) – 9.14 (68), and a Margin larger than 34?
SELECT MIN(season) FROM table_name_46 WHERE venue = "waverley park" AND score = "15.12 (102) – 9.14 (68)" AND margin > 34