What does this syntax mean?

I came upon this the other day ('Tables' is of type DataTable):

Tables.Rows(0)(Tables.Columns.Item(2).ColumnName())

It works, but what does the second bracketed reference mean?

Tables.Rows(0)(what'sthisforandwhyisitlegal?)

Thanks!
MIKEVAsked:
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danmiller78Commented:
Tables.Rows(x)(y) references a cell. X is the row, Y is the column. If you named the column, you can use the column name instead of the index. This code is looking up the name of the column by referencing the index. You would get the same result by putting the index in directly.
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planoczCommented:
That is the index location of the column Name and it reads the name for you
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MIKEVAuthor Commented:
Wierd.  Never seen that before.  Thanks!
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