CREATE TABLE table_48158 ("Year" FLOAT, "Championship" TEXT, "Winning score" TEXT, "To par" TEXT, "Margin of victory" TEXT, "Runner-up" TEXT, "Winner's share  (  $  ) " FLOAT)

What is the smallest winner's share for the LPGA championship?
SELECT MIN("Winner's share ( $ )") FROM table_48158 WHERE "Championship" = 'lpga championship'
SELECT MIN("Winner's share ( $ )") FROM "table_48158" WHERE "Championship" = 'lpga championship'