human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Volume:Issue, Issue Date(s), Weeks on Top, Song, Artist
###Question: An artist of the Beatles with an issue date(s) of 19 September has what as the listed weeks on top?
gpt
SELECT Weeks on Top FROM table WHERE Artist = the beatles AND Issue Date(s) = 19 september