Question: What automobile manufacturer manufactures the Chevrolet Titan and sells pickup and commercial trucks, buses, vans, military vehicles, and sport utility vehicles?
Sentence (from "Chevrolet Titan"): The largest cabover trucks ever produced by GM, the Titan (and more common Astro) were introduced for 1969, replacing the 1960-1968 GMC "Crackerbox" COEs.
Relevant evidence: No