user: Question: Were there Bulletins to all contacts of the Proprietary license created by Microsoft with No transport layer of security?
Columns: ['Protocol', 'Creator', 'License', 'Transport Layer Security', 'Bulletins to all contacts', 'Batch file sharing']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Gadu-Gadu', 'GG Network', 'Proprietary', 'Yes', 'No', 'Yes']
SQL:

assistant: SELECT "Bulletins to all contacts" FROM "Table" WHERE "Transport Layer Security" = 'No' AND "License" = 'Proprietary' AND "Creator" = 'Microsoft';