What is the name of the character that can be found in paragraph 8 of chapter 18820?
name of the character refers to CharName; paragraph 8 refers to ParagraphNum = 8; chapter 18820 refers to chapter_id = 18820
SELECT T1.CharName FROM characters AS T1 INNER JOIN paragraphs AS T2 ON T1.id = T2.character_id WHERE T2.ParagraphNum = 8 AND T2.chapter_id = 18820