user: Question: What is the average Heat Points, when Result is "Loss", when Game is greater than 72, and when Date is "April 21"?
Columns: ['Game', 'Date', 'Opponent', 'Result', 'Heat points', 'Opponents', 'Record', 'Streak']
Types: ['real', 'text', 'text', 'text', 'real', 'real', 'text', 'text']
Sample row: [1.0, 'November 4', 'Cleveland', 'Win', 85.0, 71.0, '1-0', 'Won 1']
SQL:

assistant: SELECT AVG("Heat points") FROM "Table" WHERE "Result" = 'Loss' AND "Game" > 72.0 AND "Date" = 'April 21';