Take a visit to the dog park. Please read all of the description before starting this cache. Finding the cache should not be a problem. It's just strapped to a pole. Getting to the log, however, could be tricky. This involves solving, proper spelling and language. Please be careful while working this cache. There is a padlock involved. If you need to re-try the combination, squeeze the shackle towards the lock twice before starting new combination to reset it.
Don't over-think it. Start by pulling the brown knob. And remember to check your spelling if the lock isn't opening. You may have to give the lock a good yank to open but hold the cache so you don't rip it off the pole.
The clue to solving is: According to the title, ¿How many?