select sum(event_amount_usd) as total_charity_amount_collected, count (distinct event_from)
from terra.transfers
where event_to = 'terra1zxtczmxtw8mk8xncvr8lcq2qmvk4dz88ek6f79'
--or event_to = 'terra1zxtczmxtw8mk8xncvr8lcq2qmvk4dz88ek6f79'
--group by 2