user: Question: What car number had a race time of +0.3844?
Columns: ['Fin. Pos', 'Car No.', 'Driver', 'Team', 'Laps', 'Time/Retired', 'Grid', 'Laps Led', 'Points']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['1', '6', 'Sam Hornish, Jr.', 'Team Penske', '228', '1:52:15.2873', '2', '159', '50+3']
SQL:

assistant: SELECT "Car No." FROM "Table" WHERE "Time/Retired" = '+0.3844';