select open_prompt('I want ice cream', json_schema := '{
       "type": "object",
       "properties": {
         "summary": { "type": "string" },
         "sentiment": { "type": "string", "enum": ["pos", "neg", "neutral"] }
       },
       "required": ["summary", "sentiment"],
       "additionalProperties": false
     }');

select open_prompt('I want ice cream.', system_prompt:='The respose MUST be a JSON with the following schema: {
           "type": "object",
           "properties": {
             "summary": { "type": "string" },
             "sentiment": { "type": "string", "enum": ["pos", "neg", "neutral"] }
           },
           "required": ["summary", "sentiment"],
           "additionalProperties": false
         }');