A table claims.raw_extract stores the output of AI_EXTRACT, called without scores, in a VARIANT column ex. One field in the responseFormat was named policy_number. An analyst is writing a view that needs that value as a string column.
Which expression returns it?
ex:policy_number::STRING
ex:scoring:scores:policy_number::STRING
ex:response[0]:policy_number::STRING
ex:response:policy_number::STRING