Douglas James Suttles - Encana Corp.
Management
Yeah, Jeoff. No, we don't. We don't use those kind of structures here. As you know, the world is getting busier. And actually what we probably all need to remember, this isn't the first time it's happened. And at these inflection points, particularly when they happen rapidly, it takes a while for the industry to realign itself, but it always does. It always realigns itself. And what we were trying to do, and Mike mentioned this, is we identified this concern back in July of last year. And sat down and identified where we thought the most difficult pinch points be, and not just on cost and access to supply, but it does impact performance. We're already hearing companies who can't get services or they are delayed considerably or the service they're getting is lower performance, lower quality, within what they were getting before. So we saw this risk coming and went into action. I would also say that, Mike highlighted this, and I think this is really important and something we've talked a lot to our service providers about is, first of all, if well costs go up a lot, I hope everybody remembers a way back to the house. Because the price of oil doesn't have an eight on it, doesn't have a seven on it, it doesn't even have a six on it. It's got a five on it. And unfortunately, the second number is less than five. What we've done as an industry has driven considerable efficiency and made North America shales some of the most lowest cost, best opportunity in the world. And if we see large increases, I wouldn't expect capital to budgets to go up, I'd expect the activity to go down. And what that means is, what we've got to do as operators is work with the service providers to create better efficiency, so they can generate a good margin as well. And Mike highlighted pumping hours per day. In a pumping service company working for us who is averaging 20 hours a day can actually charge us less per stage than they can other people and still make a lot more money, because that frac spread in that crew will generate over the course of the year, a lot more revenue. And these are the companies we want to work with. We want to work with companies who want to drive execution performance and make sure North America shale stays on the low-end of the supply cost curve.
Jeoffrey Restituto Lambujon - Tudor, Pickering, Holt & Co. Securities, Inc.: Understood. I appreciate the detail there. And then last one for me on the sand price agreements that you've got, just wondering how much is covered today, and then by 2018, 2019, how can we think about contracted coverage, just given the acceleration that's implied by the multi-year growth outlook you guys have provided?