บ้านสร้างปีไหนมีสถานะสร้างสูง42ม. ความสูง?ไม่จำเป็นต้องใช้ทุกตาราง
What is the year built of the home with a built status and a 42 m. height?It is not neccessary to use all the tables.
 table_6935:  "Name" [ text]  "Stories" [ real]  "Height" [ text]  "Built" [ text]  "Purpose" [ text]  "Status" [ text] 
SELECT "Built" FROM table_6935 WHERE "Status" = 'built' AND "Height" = '42 m.'