def METHOD_NAME(self):
    """Get existing sampling effort value from collections"""
    METHOD_NAME = self.collection_records.exclude(
        METHOD_NAME=''
    ).order_by(Length('sampling_effort').desc())
    try:
        if METHOD_NAME.exists():
            sampling_effort_str = METHOD_NAME[0].METHOD_NAME
            sampling_effort_arr = sampling_effort_str.split(' ')
            return (
                sampling_effort_arr[0].strip(),
                sampling_effort_arr[1].strip().lower()
            )
    except IndexError:
        pass
    return '', ''