token_metadata:artist::string as Artist,

count (distinct token_metadata:collection_name::string) as Playground,

case when Playground is not null then '0' else Playground end as Counts

from ethereum.nft_metadata

where contract_address in ('0xa7d8d9ef8d8ce8992df33d8b8cf4aebabd5bd270', '0x059edd72cd353df5106d2b9cc5ab83a52287ac3a') and token_metadata:curation_status::string = 'playground'

group by 1