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_1046170_5 ( playoffs VARCHAR, regular_season VARCHAR )

### Question ###
what are all the playoffs for regular season is 1st, atlantic division

### Accurate SQL ###

SELECT playoffs FROM table_1046170_5 WHERE regular_season = "1st, Atlantic division"