Select customer_telephone_number, count(Calls.DateTime) As Count_Calls
From Calls
Where customer_telephone_number In
(
Select customer_telephone_number
From Calls
Where time_to_sec(date_time)
Between time_to_sec(CURRENT_DATE() - INTERVAL 1 DAY) + time_to_sec('10:00:00')
And time_to_sec(CURRENT_DATE() - INTERVAL 1 DAY) + time_to_sec('18:00:00')
) CustPhonedYesterday
And time_to_sec(date_time)
Between time_to_sec(CURRENT_DATE() - INTERVAL 14 DAY) + time_to_sec('00:00:00')
And time_to_sec(CURRENT_DATE() - INTERVAL 1 DAY) + time_to_sec('18:00:00')
Group By Calls.customer_telephone_number;
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