how to write query in mongodb for fetching data? : 
This is my Json Data

    "tangoRewardList": [

	{
		"_id": ObjectId("58107ee67a6e3f0504a2a14c"),
		"brands": [{
			"description": "Tango Card",
			"image_url": "https://dwwvg90koz96l.cloudfront.net/graphics/item-images/tango-card-gift-card.png",
			"rewards": [{
				"description": "Tango Card E-Custom",
				"sku": "TNGO-E-V-STD",
				"currency_code": "USD",
				"available": true,
				"type": "reward",
				"countries": [
					"US"
				],
				"is_variable": true,
				"min_price": "1",
				"max_price": "500000"
			}]
		}]
	}

]

in this Data  i want to fetch **min_price** or  **max_price** using query in mongodb (*i need query for that*) help me

Thanks in advance for your support