def clicked_quality_reward(responses):
    """Calculates the total clicked watchtime from a list of responses.

    Args:
      responses: A list of IEvResponse objects

    Returns:
      reward: A float representing the total watch time from the responses
    """
    qual = 0.0
    watch = 0.0
    for response in responses:
        if response.clicked:
            qual += float(response.quality)
            watch += float(response.watch_time)
    return [qual, watch]