user: Question: Which lane did the athlete swim in who had a semi-final time of 49.19?
Columns: ['ATHLETE', 'FINAL', 'LANE', 'SEMI', 'QUART', 'HEAT']
Types: ['text', 'real', 'real', 'real', 'real', 'real']
Sample row: ['Marie-José Pérec ( FRA )', 48.25, 3.0, 49.19, 51.0, 51.82]
SQL:

assistant: SELECT "LANE" FROM "Table" WHERE "SEMI" = 49.19;