user: Question: Which format was under the London Records label?
Columns: ['Region', 'Date', 'Label', 'Format', 'Catalog']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['united States', 'July 1959', 'Checker Records', 'LP', 'LP-1436']
SQL:

assistant: SELECT "Format" FROM "Table" WHERE "Label" = 'London Records';