user: Question: What was the Lead for the 2009 WCC when Wang Bingyu news was the skip?
Columns: ['Event', 'Skip', 'Lead', 'Alternate', 'Result']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['2010 OG', 'Wang Bingyu', 'Zhou Yan', 'Liu Jinli', '3rd (6-3)']
SQL:

assistant: SELECT "Lead" FROM "Table" WHERE "Skip" = 'Wang Bingyu' AND "Event" = '2009 WCC';