<Tr> <Th> Produced by </Th> <Td> <Ul> <Li> David Brown </Li> <Li> Richard D. Zanuck </Li> </Ul> </Td> </Tr> <Ul> <Li> David Brown </Li> <Li> Richard D. Zanuck </Li> </Ul> <Li> Richard D. Zanuck </Li> <Tr> <Th> Written by </Th> <Td> <Ul> <Li> Carl Gottlieb </Li> <Li> Howard Sackler </Li> </Ul> </Td> </Tr>

Where did the shark in jaws 2 come from