Is it what number or which number, and why?

Brendan is playing in the backyard.

Can you correct this paragraph? a football player once had a dream. the dream was about the queen of england. she was on a boat and was fishing. when she tried to put a worm on the fishing hook, her necklace fell into the water. a train conductor named maxwell threw popcorn in the water. the fish ate the popcorn then gave the queen her necklace. the queen said, ” you all for me get my necklace back! ” “you are welcome said the conductor and all the fish.

Insert comma today we went to the store to the post office and to the park