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_74624 ( "Year" real, "Player" text, "Nation of citizenship" text, "Team represented" text, "Position primarily played" text )

### Question ###
What is the sum of all the years that Landon Donovan won the ESPY award?

### Accurate SQL ###

SELECT COUNT("Year") FROM table_74624 WHERE "Player" = 'landon donovan'