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_78 ( career_caps VARCHAR, position VARCHAR, tour_apps VARCHAR )

### Question ###
What is the number of career caps for a full back, when tour Apps is smaller than 29?

### Accurate SQL ###

SELECT COUNT(career_caps) FROM table_name_78 WHERE position = "full back" AND tour_apps < 29