user: Question: Which ralliers won the stages that were at 18:54 GMT?
Columns: ['Day', 'Stage', 'Time (GMT)', 'Name', 'Length', 'Winner', 'Time', 'Avg. spd.', 'Rally leader']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['1 (30 JAN)', 'SS1', '08:13', 'Glenboy 1', '22.25km', 'Jari-Matti Latvala', '12:44.0', '104.8km/h', 'Jari-Matti Latvala']
SQL:

assistant: SELECT "Winner" FROM "Table" WHERE "Time (GMT)" = '18:54';