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

### Instruction:
What is the Call sign of the Omni television network with a Digitial PSIP of 14.1?

### Inputs:
table_name: table, columns: ['Digital channel', 'Digital PSIP', 'Rogers Cable (Ottawa)', 'Vidéotron (Gatineau)', 'Call sign', 'Network']

### Response:
SELECT Call sign FROM table WHERE Network = omni television AND Digital PSIP = 14.1