Conversation so far:
What rank did Melanie Oudin end up with?
Melanie Oudin reached a career-high ranking of world No. 31 in April 2010
How long was Melanie Oudin playing before she reached No. 31 in April 2010?
Melanie Oudin turned professional in February 2008.

Question: Where did she play before becoming professional?
Self-contained rewrite: Where did Melanie Oudin play before becoming professional?