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_120778_1 (percent_for VARCHAR, against_prohibition VARCHAR)

### Question ###
What is the percent for when against prohibition is 2978?

### Accurate SQL ###

SELECT percent_for FROM table_120778_1 WHERE against_prohibition = 2978