### PARAM_LIST:
```
---
- param_name: rt_no
  param_desc: request ticket; rt no
- param_name: client_user
  param_desc: operator id
- param_name: table_name
  param_desc: table name in mariadb

```

### QUESTION: 
```
create table test_errbot in mariadb. operator is NAME_1, request ticket is 19321.
```

Please use the param_desc of PARAM_LIST items to search its values in QUESTION, then return them in json format. If not found, please return None.
 Please answer in JSON format.
user