Black Bean And Rice Soup

• 6 garlic (cloves minced)
• 4 green
• 1 onion (finely chopped)
• 1,400 ml water
• 550 gr chicken
• 500 gr black beans (dried)
• 475 ml sour cream
• 180 gr brown rice (cooked)
• 60 ml olive oil
• 45 ml wine vinegar (red)