fantaFirst Part : The previous two weeks Sept 14th, 2021- to Sept 30th, 2021
    Updated 2022-02-23
    SELECT sum(amount/1e6) as sum FROM algorand.payment_transaction as apt inner join algorand.labels as als
    ON als.address=apt.sender
    WHERE
    als.label_type='cex'
    and date(block_timestamp) > '2021-09-14' and date(block_timestamp) <= '2021-09-30'

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