Table:
text: Gaba Corporation
Belting system
Belt requirements
Evaluation_average_From_February_2011 Evaluation_average_From_April_2009 Evaluation_average_Before_April_2009 _of_negative_evaluations Submitting_schedule_on_time Punctuality_Attendance_issues Peak_lessons_taught
4.7 4.6 4.6 0.3% Always None 80
4.7 4.6 4.5 0.3% Always None 80
4.5 4.4 4.4 0.4% Always None 60
4.5 4.4 4.3 0.4% Always None 60
4.3 4.2 4.2 0.8% Always None 40
4.3 4.2 4.0 0.8% Always None 40
4.3 4.2(*) N/A 0.8% Always None 40
4.1 4.0 N/A 1.0% Always None 0

Question: What is the greatest number of top lessons taught if the grade point average (prior to April 2009) was 4.4 below Gaba Corporation requirements?