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

### Instruction:
Name the sum of year for olimpija ljubljana with height less than 2.04

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

### Response:
SELECT SUM Year born FROM table WHERE Current Club = olimpija ljubljana AND Height < 2.04