Please solve. I tried below and I want to know if I was on the right track for solving this question. If I am please complete my answer and possibly make a better solution.

3. Consider the following relational schema. person (name, age, gender) frequents (name, pizzeria) eats (name, pizza) serves (pizzeria, pizza, price) 3.1. Write relational algebra, tuple relational calculus and domain relational calculus expressions for the following queries: e) Find all pizzerias that are frequented by only females or only males