Question: Wiener Nationals have the final 8 Dachshunds racing for the national title every December in San Diego as part of this bowl that has been played annually since what year?
Sentence (from "Wiener Nationals"): Regional qualifiers are held in the Southwestern United States (California, Texas, Arizona, Nevada), with the final 8 Dachshunds racing for the national title every December in San Diego as part of the Holiday Bowl.
Relevant evidence: Yes