Bitrix24. Leads and deals

All leads and deals, created from these leads, with custom fields from leads and deals. Study the conversion of leads into deals, leads into successful deals, successful leads into successful deals, including in the context of each custom field.
Connect to the Bitrix24 as here.
Click "Show SQL after loading" If you want to see SQL editor. See the details here
Select "Next".
Select user fields in the Bitrix24.