SELECT email ,  phone FROM customers WHERE first_name = "Astrid" AND last_name = "Gruber";
What is Astrid Gruber's email and phone number?
SELECT email , phone FROM customers WHERE first_name = `` Astrid '' AND last_name = `` Gruber '' ;
select email , phone from customers where first_name = value and last_name = value
What is Astrid Gruber 's email and phone number ?