user: Question: Which stage had Tabriz Petrochemical Team in the team classification?
Columns: ['Stage', 'Stage winner', 'General classification', 'Points classification', 'Mountains classification', 'Malaysian rider classification', 'Team classification']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['1', 'Li Fuyu', 'Li Fuyu', 'Anuar Manan', 'Hossein Askari', 'Amir Rusli', 'Team Stegcomputer-CKT-Cogeas']
SQL:

assistant: SELECT "Stage" FROM "Table" WHERE "Team classification" = 'Tabriz Petrochemical Team';