What is the output of @SQL before you convert it to XML?

DECLARE @sql Nvarchar(max)

SET @sql = '<Data Extract>'

SET @sql = @sql + (SELECT Top 2 FirstName, LastName

FROM

[dbo].[CandPersonal] pe

INNER JOIN CandProfile pr on pe.CandId = pr.Id

WHERE pr.isGraduateApplicant = '1'

FOR XML PATH('Candidate'), ROOT('Graduates'))

SET @sql = @sql + (SELECT Top 2 FirstName, LastName

FROM

[dbo].[CandPersonal] pe

INNER JOIN CandProfile pr on pe.CandId = pr.Id

WHERE pr.isGraduateApplicant = '0'

FOR XML PATH('Candidate'), ROOT('ExperiencedHires'))

SET @sql = @sql + '/<Data Extract>'

SELECT @SQL