user: Question: How many north american brands have world headquarters in Sagamihara?
Columns: ['Rank', 'Company Name', '2008 Rank', '2009 Revenue', 'North American Brands', 'World Headquarters', 'Country']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Toyota Industries', '1', '$4,600,000,000', 'Toyota , BT , Raymond', 'Aichi', 'Japan']
SQL:

assistant: SELECT COUNT("North American Brands") FROM "Table" WHERE "World Headquarters" = 'Sagamihara';