user: Question: What's the lowest series number that originally aired before 2009 with more than 7 episodes and had a DVD Region 2 release date of 26 july 2004?
Columns: ['Series Number', 'Number of Episodes', 'Original Air Date', 'DVD Region 2 release date', 'DVD Region 1 release date']
Types: ['real', 'real', 'real', 'text', 'text']
Sample row: [1.0, 6.0, 1973.0, '2 September 2002', 'TBA']
SQL:

assistant: SELECT MIN("Series Number") FROM "Table" WHERE "Original Air Date" < 2009.0 AND "DVD Region 2 release date" = '26 july 2004' AND "Number of Episodes" > 7.0;