Since 1999, 6 players are tied for the most home runs in a game, with 4 home runs. The first three are J.D. Martinez on September 4, 2017, Scooter Gennett on June 6, 2017 and Josh Hamilton on May 8, 2012.

what are the most hr in a game since 1999
Interpreted as:
What are the most hr by a player in a regular-season game since 1999?

Explore