The top 10 contestants started with five males and five females, however, the males were eliminated consecutively in the first five weeks, with Lazaro Arbos the last male to be eliminated. For the first time in the show's history, the top 5 contestants were all female. It was also the first time that the judges' "save" was not used, the top four contestants were therefore given an extra week to perform again with their votes carried over with no elimination in the first week.
How many contestants were able to perform for two weeks without any eliminations? (If the question is unanswerable, say "unanswerable")
four