user: Question: When is the earliest season at waverley park, a Score of 15.12 (102) – 9.14 (68), and a Margin larger than 34?
Columns: ['Season', 'Premier', 'Runner Up', 'Score', 'Venue', 'Attendance', 'Margin']
Types: ['real', 'text', 'text', 'text', 'text', 'real', 'real']
Sample row: [1956.0, 'South Melbourne', 'Carlton', '13.16 (94) – 13.10 (88)', 'Lake Oval', 32450.0, 6.0]
SQL:

assistant: SELECT MIN("Season") FROM "Table" WHERE "Venue" = 'waverley park' AND "Score" = '15.12 (102) – 9.14 (68)' AND "Margin" > 34.0;