CREATE TABLE table_4204 ("Country / region" CLOB, "Channel" CLOB, "Series premiere" CLOB, "Title in country" CLOB, "Source ( s ) " CLOB, "Airing?" CLOB)

What is the premiere date of the american disney xd tron uprising site?
SELECT "Series premiere" FROM table_4204 WHERE "Source(s)" = 'American Disney XD Tron Uprising Site'
SELECT "Series premiere" FROM "table_4204" WHERE "Source(s)" = 'American Disney XD Tron Uprising Site'