user: Question: How many series premieres did the season "All-Stars" have?
Columns: ['Season', 'Episodes', 'Series premiere', 'Series finale', 'Winning couple', 'Winning profit ( AUD )', 'Host(s)', 'Judges']
Types: ['text', 'real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['1', 13.0, '1June2003', '17August2003', 'Adam Thorn Fiona Mills', '$156,000', 'Jamie Durie', 'John McGrath']
SQL:

assistant: SELECT COUNT("Series premiere") FROM "Table" WHERE "Season" = 'All-Stars';