title: Backbone JS find the minimum value
body: <p>I have this json which populates my collection (<code>TableListCollection</code>) of models (<code>TableModel)</code></p>
  
  <pre><code>{
      "tables": [
          {
              "tableId": 15,
              "size": 8,
              "occupiedSeats": 0,
              "stakes": {
                  "smallBlindAmount": 10,
                  "bigBlindAmount": 20,
                  "minBuyInAmount": 20,
                  "maxBuyInAmount": 200
              },
              "gameType": "HOLDEM",
              "gameSpeed": "NORMAL",
              "friends": []
          },
          {
              "tableId": 16,
              "size": 8,
              "occupiedSeats": 0,
              "stakes": {
                  "smallBlindAmount": 20,
                  "bigBlindAmount": 40,
                  "minBuyInAmount": 20,
                  "maxBuyInAmount": 200
              },
              "gameType": "HOLDEM",
              "gameSpeed": "NORMAL",
              "friends": []
          },
          {
              "tableId": 17,
              "size": 8,
              "occupiedSeats": 0,
              "stakes": {
                  "smallBlindAmount": 40,
                  "bigBlindAmount": 60,
                  "minBuyInAmount": 20,
                  "maxBuyInAmount": 200
              },
              "gameType": "HOLDEM",
              "gameSpeed": "NORMAL",
              "friends": []
          }
      ]
  }
  </code></pre>
  
  <p>I want to find the table with the minimum <code>smallBlindAmount</code>.</p>
  
  <p>I see that I can use the <code>_.min()</code> but I can't figure out what I have to pass as an iterator.</p>
  
  <p>Thanks in advance.</p>