Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_78 (song_title VARCHAR, chart_peak VARCHAR, track VARCHAR)
### Question:
What was the title of the song that peaked the charts at #1 with track 20?
### Answer:
SELECT song_title FROM table_name_78 WHERE chart_peak = "#1" AND track = 20