user: ### NOW ANSWER:
Question: On what date did the event at Zaltbommel begin?
Columns: ['Name of System', 'Location', 'Traction Type', 'Date (From)', 'Date (To)']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['ATM (1897–1917) GTA (1919–1922)', 'Apeldoorn', 'Horse', '12 August 1897', '11 November 1917']
SQL:

assistant: SELECT "Date (From)" FROM "Table" WHERE "Location" = 'Zaltbommel';