Greek Nachos with Creamy Hummus

Name: Greek Nachos with Creamy Hummus
Ingredients: For the Hummus:; 1 can (19 oz.) of chickpeas (rinsed & drained).; 3 tbsp. tahini paste; 1/3 cup greek yogurt; 2 tsp. greek seasoning; 2 tbsp. olive oil; 1/8 cup water; 2 tbsp. olive oil (for drizzle); 1/2 cup chopped Kalamata olives (for topping); For the Nachos:; 1 bag of tortilla chips (app. 250 grams); 4 canned artichoke hearts (chopped); 2 cups herb & garlic cheese blend (shredded); 1/2 cup feta cheese (shredded); 1/2 cup sliced Kalamata olives; 2 ounces of fresh spinach (finely chopped); 2-3 fresh tomatoes (diced)