How many tourist attractions are there?
select count(*) from tourist_attractions
How many of them could be accessed by bus or walking?
select count(*) from tourist_attractions where how_to_get_there = "bus" or how_to_get_there = "walk"
Please show their names and opening hours.
select name, opening_hours from tourist_attractions where how_to_get_there = "bus" or how_to_get_there = "walk"