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

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'