Question: The 1990–91 NBA season was the Rockets' 24th season in the National Basketball Association, and 20th season in the city of Houston, the Rockets continued to play .500 basketball during the first half of the season as which Nigerian-American former professional basketball player, formerly known as Akeem Olajuwon?
Sentence (from "1990–91 Houston Rockets season"): The Rockets continued to play .500 basketball during the first half of the season as Hakeem Olajuwon missed 26 games due to injuries.
Relevant evidence: Yes