Preheat oven to 350 degrees F.
Combine first 3 ingredients in a medium bowl; spoon into an 8X8 inch baking dish coated with cooking spray. Lightly spoon the flour into a dry measuring cup, and level with a knife. Combine flour, oats, sugar and oil, stirring with a fork until crumbly. Sprinkle over the apple mixture. Bake at 350 degrees for 40 minutes or until bubbly.