user: Question: What is Videoconferencing, when Data Conferencing is "No", and when Web Conferencing is "No"?
Columns: ['Name', 'E-mail server', 'Faxing', 'Instant messaging', 'Telephony', 'Videoconferencing', 'Web conferencing', 'Data conferencing', 'Application sharing', 'Electronic meeting system', 'Synchronous conferencing']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['IBM Sametime', 'No, integrated with Lotus Domino', 'No', 'Yes', 'Yes', 'Yes', 'Yes', 'Yes', 'Yes', 'Yes', 'Yes']
SQL:

assistant: SELECT "Videoconferencing" FROM "Table" WHERE "Data conferencing" = 'No' AND "Web conferencing" = 'No';