user: Question: Where is Train No. 16031 arriving from?
Columns: ['Train No.', 'Train Name', 'From', 'Arrival', 'Runs On']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['51195', 'Wardha-Ballarshah Pass', 'Wardha', '08:54', 'S-M-T-W-T-F-S']
SQL:

assistant: SELECT "From" FROM "Table" WHERE "Train No." = '16031';