What is the result for the first day in a year prior to 2011 when the 4th day's result is bumped Girton?
CREATE TABLE "may_bumps" (
  "year" real,
  "finish_position" text,
  "1st_day" text,
  "2nd_day" text,
  "3rd_day" text,
  "4th_day" text
);
SELECT "1st_day" FROM "may_bumps" WHERE "year"<2011 AND "4th_day"='bumped girton';