Query Execution Error in row(): ERROR:  syntax error at or near "CCBot"
LINE 3:     WHERE signature_id != 0 AND LOWER(''CCBot/2.0 (https://c...
                                                ^ in query: SELECT robot_id, signature_id
				FROM user_signatures
				WHERE signature_id != 0 AND LOWER(''CCBot/2.0 (https://commoncrawl.org/faq/)'') LIKE LOWER('%' || user_signatures.signature_text || '%');