Find Three digit number

If it is possible to make a three-digit number from the third, the fifth and the sixth digits of the number 30651972, using each digit only once which is the square of an odd number the last digit of that three-digit number is your answer.

 If no such number can be formed your answer is 4 and if more than one such number can be formed your answer is 8.

(1) 1              (2) 9            (3) 6                    (4) 4             (5) 8

Watch this space for answer in a week.