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_203_43 ( id number, "polling firm" text, "month" text, "link" text, "favor" number, "oppose" number )

### Question ###
what was the month and year when the rutgers eagleton poll first showed 50 percent in favor of same sex marriage in new jersey ?

### Accurate SQL ###

SELECT "month" FROM table_203_43 WHERE "polling firm" = 'rutgers-eagleton' AND "favor" = 50