Conversation so far:
which college did Phil Mickelson play for?
Arizona State University.
who did he play with?
CANNOTANSWER.
what did he do after college?
his first PGA Tour event.
what did he win in college?
Over the course of his collegiate career, he won 16 tournaments.
what hand did he use ro play golf?
left-handed swing.
what age was he during college?
At age 20, he was only the sixth amateur to win a tour event.
any notable person in the article?
Scott Verplank.
was he given any award?
first-team All-American honors.

Question: which country did he play golf for?
Self-contained rewrite: which country did Verplank play golf for?