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_18077713_1 ( year_to_april VARCHAR, revenue__us_$million_ VARCHAR )

### Question ###
What is the year to april when the revenue is 434.8 million dollars?

### Accurate SQL ###

SELECT year_to_april FROM table_18077713_1 WHERE revenue__us_$million_ = "434.8"