Premise: Thunder Valley Casino Resort is a hotel and casino located in unincorporated Placer County near the city of Lincoln, California, 30 miles (48 km) northeast of Sacramento. It is owned and operated by the United Auburn Indian Community and was opened on June 9, 2003. It was operated by Station Casinos from 2003 to 2010.
Hypothesis: Thunder Valley Casino Resort was opened more than 520 weeks ago.