This data is in SentinelHealth - if you have that enabled but its not for all Connectors
Otherwise you need to use the api to access Data Connector info (and ingest the results to use KQL) or use a Workbook.
SentinelHealth
| where SentinelResourceType == "Data connector"
| extend ConnectorDataType_ = tostring(ExtendedProperties.ConnectorDataType)
| extend DestinationTable_ = tostring(ExtendedProperties.DestinationTable)
| summarize make_set(DestinationTable_), arg_max(TimeGenerated, Status, Description, OperationName, SentinelResourceType, ExtendedProperties) by SentinelResourceKind