At what time is the site usf softball field • tampa, fl and w4-0 is the result?
CREATE TABLE "table1_22098274_1" (
  "date" text,
  "time" text,
  "opponent" text,
  "ranknum" text,
  "site" text,
  "result" text,
  "attendance" text,
  "winning_pitcher" text,
  "losing_pitcher" text
);
SELECT "time" FROM "table1_22098274_1" WHERE "site"='USF Softball Field • Tampa, FL' AND "result"='W4-0';