user: Question: What is the height above sea level for the station opened 175.67km from Wellington prior to 1887?
Columns: ['Station', 'Distance from Wellington', 'Height above sea level (m)', 'Opened', 'Closed']
Types: ['text', 'text', 'text', 'real', 'text']
Sample row: ['Wellington', '0km', '2.4m', 1937.0, 'Open']
SQL:

assistant: SELECT "Height above sea level (m)" FROM "Table" WHERE "Opened" < 1887.0 AND "Distance from Wellington" = '175.67km';