user: Question: What is the Margin that has a Venue of Bellerive Oval , Hobart, and a Season of 2002/03?
Columns: ['Rank', 'Margin', 'Opponent', 'Venue', 'Season']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['1', '179 runs', 'Matabeleland', 'Bulawayo Athletic Club , Bulawayo', '1995/96']
SQL:

assistant: SELECT "Margin" FROM "Table" WHERE "Venue" = 'Bellerive Oval , Hobart' AND "Season" = '2002/03';