Generate a question that has the following answer: Oakland for the following movie plot: Po Sing (Jon Kit Lee) is waiting for someone in a club in a predominantly African American neighborhood when a group of angry patrons try to start a fight with him. His father's right-hand man Kai (Russell Wong) and his Asian henchmen pull Po out of the club after a brief fight with the bouncers before the meeting can take place. The next day, Po is found murdered. Fearing retribution, real estate developer and gang leader Isaak O'Day (Delroy Lindo) arranges for his chief lieutenant Mac (Isaiah Washington) to place security on both of his children. Meanwhile, Po's brother, Han (Jet Li), learns of the murder in the Hong Kong prison where he is serving time. After starting a fight in the mess hall, Han is dragged to an isolation cell for punishment where he overpowers the guards and escapes disguised in one of their uniforms. Eventually, Han makes his way to Oakland and learns that Po may have been a casualty in a gang war that seems to have erupted between Black and Asian gang families over control of properties along the Oakland waterfront. O'Day and Han and Po's father, Ch'u Sing (Henry O), are engaged in a joint business venture to acquire and sell the properties to Vincent Roth, a businessman who plans to buy a new NFL franchise in Oakland and build a new stadium on the waterfront. He also learns that his brother called O'Day's daughter Trish's (Aaliyah) record store the day before he was killed. After a chance encounter with her, he follows her and learns that Po may have actually been calling Trish's brother, Colin (DB Woodside). At his brother's funeral, Han confronts his estranged father, blaming him for failing to keep his promise to protect Po after Han had helped them both flee to America to escape the Chinese authorities, an action which resulted in his own imprisonment and disgraced status as a former police officer. Meanwhile, O'Day reveals to his son that the deal he is working on will get their family out of the crime business for good, but that he must be careful. That...
The answer to this question is:
What city's waterfront are the two gangs fight for control of?