Conversation so far:
What team was Tris speaker playing for in 1907?
The Boston Red sox
Did Tris Speaker's team The Boston Red sox  do well with him?
He led the Red Sox to World Series championships in 1912 and 1915.
What other highlights did Tris Speaker have besides leading the Red sox to world series championships in 1912 and 1915?
He compiled a career batting average of .345.
What other notable stats did Tris Speaker have besides a career batting average of .345?
His 792 career doubles represent an MLB career record.

Question: What else did he accomplish?
Self-contained rewrite: What else did Tris Speaker accomplish besides His 792 career doubles represent an MLB career record?