Design a google sheet with the following characteristics
The first sheet is entitled Data and stores the data for all the entities we wish to appear on the map.
The first row contains all the field titles. They must all be plain text (but can also include the following permitted characters - _
Every populated row after that contains the data characterising an entity to be mapped.
The following types of data are supported.
Plain text
Numbers
; delimited lists of numbers
Valid URLs
; delimited lists of Valid URLs