Английский. правильно ли поставлены вопросы?

which botanical park was built first? ответ: Oxford Botanic Garden was built first.
When was the chelsea physic garden founded? - The Chelsea Apothecary Gardens were founded in 1673
Who was the main benefactor of this garden? - Hans Sloan is the benefactor of this garden
Who is the patron saint of Chelsea Physic Gardens? - The patron of the garden is Prince Charles.
How many plants are growing in the garden? - There are about 5,000 plants growing in the Apothecary Garden