"["-infinity" "infinity"]"
"["10-MAY-47 23:59:12" "14-JAN-73 03:14:21"]"
"[""04-SEP-83 23:59:12"" ""04-OCT-83 23:59:12""]"
"[""01-JAN-70 05:30:00"" ""01-MAY-95 00:30:30""]"
"[""15-FEB-90 12:15:03"" ""23-SEP-01 11:12:13""]"
