Fried catfish

#### Ingredients: - **4 catfish fillets** - **1 cup buttermilk** - **1 cup cornmeal** - **1/2 cup all-purpose flour** - **1 teaspoon salt** - **1/2 teaspoon black pepper** - **1/2 teaspoon paprika** - **1/2 teaspoon garlic powder** - **Vegetable oil** (for frying) - **Lemon wedges** (for serving)