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_77 (year VARCHAR, venue VARCHAR, event VARCHAR)

### Question ###
What is the number of years that the event was foil team and took place in Los Angeles?

### Accurate SQL ###

SELECT COUNT(year) FROM table_name_77 WHERE venue = "los angeles" AND event = "foil team"