I need answer of the question as sql query which can be written in python code(pyspark).

1. Identify offending countries with high levels of CO2 emissions.

Our file has rows of JSON strings that look as follows:

{"device_id": 198164, "device_name": "sensor-pad-198164owomcJZ", "ip": "80.55.20.25", "cca2": "PL", "cca3": "POL", "cn": "Poland", "latitude": 53.080000, "longitude": 18.620000, "scale": "Celsius", "temp": 21, "humidity": 65, "battery_level": 8, "c02_level": 1408,"lcd": "red", "timestamp" :1458081226051}