user: Question: How many races were there when Sigachev had 38 points?
Columns: ['Season', 'Series', 'Team Name', 'Races', 'Wins', 'Points', 'Final Placing']
Types: ['real', 'text', 'text', 'real', 'real', 'text', 'text']
Sample row: [2007.0, 'Formula Renault 2.0 NEC', 'SL Formula Racing', 16.0, 0.0, '67', '21st']
SQL:

assistant: SELECT "Races" FROM "Table" WHERE "Points" = '38';