Given the task definition and input, reply with output. You are given a sentence and a question in the input. The information provided in the sentence should be enough to answer the question. You're expected to write the correct answer. Do not use any facts other than those provided in the sentence.

Sentence: He went by himself knowing he would enjoy the game much more than if he had gone with his friends Sam, Mark and David.
Question: Who went to the baseball game and with how many people?
He did, with no other person.