user: Question: Tell me the format for Worldwide region July 22, 2008
Columns: ['Region', 'Date', 'Format', 'Label', 'Edition(s)']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['United States', 'June 18, 2007', 'CD', 'Geffen', 'Standard']
SQL:

assistant: SELECT "Format" FROM "Table" WHERE "Region" = 'Worldwide' AND "Date" = 'July 22, 2008';