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_11734041_1 (years_for_rockets VARCHAR, school_club_team_country VARCHAR)

### Question ###
How may times did a player that attended Iowa state appear on the all time roster?

### Accurate SQL ###

SELECT COUNT(years_for_rockets) FROM table_11734041_1 WHERE school_club_team_country = "Iowa State"