user: Question: Which session had a discipline of Open Wheel?
Columns: ['Discipline', 'Championship', 'Circuit', 'Session', 'Cause']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Stock Car', 'NASCAR Limited Sportsman Division', 'Lowes Motor Speedway', 'Practice', 'Crash']
SQL:

assistant: SELECT "Session" FROM "Table" WHERE "Discipline" = 'Open Wheel';