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

### Instruction:
When was radek necas with less than 2.04 height born?

### Inputs:
table_name: table, columns: ['Player', 'Height', 'Position', 'Year born', 'Current Club']

### Response:
SELECT AVG Year born FROM table WHERE Player = radek necas AND Height < 2.04