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_21 (week INTEGER, game_site VARCHAR, attendance VARCHAR)

### Question ###
What was the first week when there was an attendance over 75,007 at Mile High Stadium?

### Accurate SQL ###

SELECT MIN(week) FROM table_name_21 WHERE game_site = "mile high stadium" AND attendance > 75 OFFSET 007