Question: Where is the audition city when the venue is UPI Convention Center?
SQL: SELECT "Audition city" FROM "1-28793672-1" WHERE "Venue" = 'UPI Convention Center';

Question: How many times is there a golden tickets entry when the callback venue is RCTI Studio, Jakarta?
SQL: SELECT COUNT("Golden tickets") FROM "1-28793672-1" WHERE "Callback venue" = 'RCTI Studio, Jakarta';