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_name_36 (stage INTEGER, finish VARCHAR, year VARCHAR, leader_at_the_summit VARCHAR)

### Question ###
What is the highest stage number for a year later than 1948, leader at the summit was group, and finish was Bagnères-De-Bigorre?

### Accurate SQL ###

SELECT MAX(stage) FROM table_name_36 WHERE year > 1948 AND leader_at_the_summit = "group" AND finish = "bagnères-de-bigorre"