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

### Instruction:
When the total winners was smaller than 2 and 2 woman won, what's the average of the men's half marathon winners?

### Inputs:
table_name: table, columns: ['Country', 'Total', "Marathon (men's)", "Marathon (women's)", "Half Marathon (men's)", "Half Marathon (women's)"]

### Response:
SELECT AVG Half Marathon (men's) FROM table WHERE Marathon (women's) = 2 AND Total < 2