CREATE TABLE table_name_50 (points INTEGER, attendance VARCHAR)
SELECT MIN(points) FROM table_name_50 WHERE attendance = "1,500"
คะแนนต่ำสุดเมื่อมีผู้เข้าร่วม 1,500 คนคือเท่าใด
What is the lowest number of points scored when there were 1,500 in attendance?