Table A

Id  Name  Age

12 Reena 60

15 Meena 24

 99 Teena 11 

Table B

Id   Name   Age

15 Meena  24 

25 Heena 40

98 Teena 20 

99 Teena 11 

Table C

Id  Phone  Area

10  2200   02

99  2100   01

How many tuples does the result of the following SQL query contains using tables A,B and C

SELECT A.id FROM A

WHERE A.age > ALL (SELECT B.age FROM B WHERE B. name = "Reena")