CREATE TABLE head (age VARCHAR, head_id VARCHAR); CREATE TABLE management (head_id VARCHAR, temporary_acting VARCHAR)
SELECT DISTINCT T1.age FROM management AS T2 JOIN head AS T1 ON T1.head_id = T2.head_id WHERE T2.temporary_acting = 'Yes'
หัวหน้าที่แสดงมีอายุเท่าไร?
What are the distinct ages of the heads who are acting?