user: Question: What is the format for the United States dated July 23, 2002?
Columns: ['Region', 'Date', 'Label', 'Format', 'Catalogue']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Japan', 'March 25, 2009', 'Warner', 'CD', 'WPCR13347']
SQL:

assistant: SELECT "Format" FROM "Table" WHERE "Region" = 'United States' AND "Date" = 'July 23, 2002';