Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Which Manhattan number appeared when Richmond (Staten Island) was 78%?

### Inputs:
table_name: table, columns: ['1973 Democratic run-off primary', 'Manhattan', 'The Bronx', 'Brooklyn', 'Queens', 'Richmond [Staten Is.]', 'Total']

### Response:
SELECT Manhattan FROM table WHERE Richmond [Staten Is.] = 78%