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_93 (year INTEGER, winning_team VARCHAR, usa_captain VARCHAR)

### Question ###
What is the highest year that Europe won, when the USA's Captain was Kathy Whitworth?

### Accurate SQL ###

SELECT MAX(year) FROM table_name_93 WHERE winning_team = "europe" AND usa_captain = "kathy whitworth"