อายุ 50 _ 89 ปี ไม่จำเป็นต้องใช้ทุกโต๊ะ
age 50 _ 89 years oldIt is not neccessary to use all the tables.
 table_train_79:  "id" [ int]  "fasting_triglycerides" [ int]  "fasting_total_cholesterol" [ int]  "fasting_glucose" [ int]  "age" [ float]  "NOUSE" [ float] 
SELECT * FROM table_train_79 WHERE age >= 50 AND age <= 89