Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_57368 ( "1973 Democratic run-off primary" text, "Manhattan" text, "The Bronx" text, "Brooklyn" text, "Queens" text, "Richmond [Staten Is.]" text, "Total" real )

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

### Accurate SQL ###

SELECT "Manhattan" FROM table_57368 WHERE "Richmond [Staten Is.]" = '78%'