user: Question: What round did the Celtic played away on 24 February 1900?
Columns: ['Date', 'Round', 'Opponent', 'Venue', 'Result', 'Attendance']
Types: ['text', 'text', 'text', 'text', 'text', 'real']
Sample row: ['13 January 1900', 'R1', 'Morton', 'H', '4–2', 7000.0]
SQL:

assistant: SELECT "Round" FROM "Table" WHERE "Opponent" = 'Celtic' AND "Date" = '24 February 1900';