CREATE TABLE table_47547 ("Volume:Issue" TEXT, "Issue Date ( s ) " TEXT, "Weeks on Top" TEXT, "Song" TEXT, "Artist" TEXT)

What date did the song by jennifer lopez get issued?
SELECT "Issue Date(s)" FROM table_47547 WHERE "Artist" = 'jennifer lopez'
SELECT "Issue Date(s)" FROM "table_47547" WHERE "Artist" = 'jennifer lopez'