Question: Which Airing date has a Number of episodes larger than 20, and a Genre of Modern drama?
SQL: SELECT "Airing date" FROM "2-18545645-1" WHERE "Number of episodes" > 20.0 AND "Genre" = 'Modern drama';

Question: Which Genre has an English title (Chinese title) of The Romance of the White Hair Maiden 白髮魔女傳?
SQL: SELECT "Genre" FROM "2-18545645-1" WHERE "English title (Chinese title)" = 'The Romance of the White Hair Maiden 白髮魔女傳';