user: Question: What is Instant Messaging, when Electronic Meeting System is "Yes", and when Name is "Microsoft SharePoint"?
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 "Instant messaging" FROM "Table" WHERE "Electronic meeting system" = 'Yes' AND "Name" = 'Microsoft SharePoint';