CREATE TABLE table_name_5 (large_end VARCHAR, taper VARCHAR, ft VARCHAR)
SELECT COUNT(large_end) FROM table_name_5 WHERE taper / ft < 0.6000000000000001
ปลายขนาดใหญ่ใดที่มี Taper/ft เล็กกว่า 0.6000000000000001?
Which Large end has a Taper/ft smaller than 0.6000000000000001?