Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What is the average reception of the player with 4 touchdowns and less than 171 yards?

### Inputs:
table_name: table, columns: ['Player', 'Rec.', 'Yards', 'Avg.', "TD's"]

### Response:
SELECT AVG Rec. FROM table WHERE TD's = 4 AND Yards < 171