Conversation so far:
What countries was Jahlil Okafor's career in?
In October 2010, Jahlil Okafor successfully tried out for USA Basketball's 2011–12 USA Developmental National Team.
Are there other countries besides USA Jahlil Okafor's career is in?
Was Jahlil Okafor's career successful?
At the 2012 FIBA Under-17 World Cup, Jahlil Okafor earned the Tournament MVP for the gold-medal winning USA team.
What other recognition did Jahlil Okafor receive besides Tournament MVP for the gold-medal winning USA team at the 2012 FIBA Under-17 World Cup?
Jahlil Okafor was an All-American as a high school junior in 2013.
What other awards did Jahlil Okafor earn besides Tournament MVP for the gold-medal winning USA team at the 2012 FIBA Under-17 World Cup and being an All American as a high school junior in 2013?
Following his senior high school season, Jahlil Okafor earned broad All-American recognition and was named national player of the year by Parade, USA Today and McDonald,.
Did Jahlil Okafor receive any other honors besides Tournament MVP for the gold-medal winning USA team at the 2012 FIBA Under-17 World Cup, being an All American as a high school junior in 2013, broad All-American recognition and being named national player of the year by Parade, USA Today and McDonald?
At Duke Univeristy, Jahlil Okafor earned the USBWA National Freshman of the Year and ACC Player of the Year.
What other awards did he receive during his career besides Tournament MVP for the gold-medal winning USA team at the 2012 FIBA Under-17 World Cup, being All American as a high school junior in 2013, broad All-American recognition, being named national player of the year by Parade, USA Today and McDonald, and earning USBWA National Freshman of the Year and ACC Player of the Year while at Duke University?
Jahlil Okafor earned a unanimous 2015 NCAA Men's Basketball All-American first-team selection.
What else happened during his career besides Tournament MVP for the gold-medal winning USA team at the 2012 FIBA Under-17 World Cup, being All American as a high school junior in 2013, broad All-American recognition, being named national player of the year by Parade, USA Today and McDonald, earning USBWA National Freshman of the Year and ACC Player of the Year while at Duke University, and earning unanimous 2015 NCAA Mens Basketball All-American first-team selection?
Following Duke University's victory in the championship game of the 2015 NCAA Men's Division I Basketball Tournament against Wisconsin, Jahlil Okafor announced that he would enter the NBA draft.

Question: What invitation did he accept?
Self-contained rewrite: What invitation did Jahlil Okafor accept?