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_14763 ( "Election" text, "1st Member" text, "1st Party" text, "2nd Member" text, "2nd Party" text )

### Question ###
Which 1st Party has a 2nd Party of conservative, and a 1st Member of william wither bramston beach?

### Accurate SQL ###

SELECT "1st Party" FROM table_14763 WHERE "2nd Party" = 'conservative' AND "1st Member" = 'william wither bramston beach'