Among the dishes on menu page ID 7610, list the names and highest prices of the dishes in menu items that were created on 23rd May 2011.
highest prices of the dishes refers to MAX(price); created on 23rd May 2011 refers to created_at like '2011-05-23%';
SELECT T1.name, T2.price FROM Dish AS T1 INNER JOIN MenuItem AS T2 ON T1.id = T2.dish_id WHERE T2.created_at LIKE '2011-05-23%' ORDER BY T2.price DESC LIMIT 1