title: Royal George Hotel and Ruddle's Building
context: Royal George Hotel and Ruddle's Building is a heritage-listed hotel at 323-335 Brunswick Street, Fortitude Valley, City of Brisbane, Queensland, Australia. It was built from c.1850 to the 1960s. It is also known as Bush & Commercial Inn, Commercial Inn, Freemasons Arms, and Ruddle's Corner. It was added to the Queensland Heritage Register on 3 August 1998.[1]
question: When was the Ruddle's Building in Brisbane built?
answers: rom c.1850 to the 1960s