What is the career for 2007 3r, and 1999 1r?
CREATE TABLE "singles_performance_timeline" (
  "tournament" text,
  "1999" text,
  "2000" text,
  "2001" text,
  "2002" text,
  "2003" text,
  "2004" text,
  "2005" text,
  "2006" text,
  "2007" text,
  "2008" text,
  "2009" text,
  "2010" text,
  "career" text
);
SELECT "career" FROM "singles_performance_timeline" WHERE "2007"='3r' AND "1999"='1r';