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_11950720_4 ( first_class_team VARCHAR, date_of_birth VARCHAR )

### Question ###
What is the number of first class team with birthday of 5 december 1970?

### Accurate SQL ###

SELECT COUNT(first_class_team) FROM table_11950720_4 WHERE date_of_birth = "5 December 1970"