CREATE TABLE table_45348 ("Date" CLOB, "Tournament" CLOB, "Winning score" CLOB, "Margin of victory" CLOB, "Runner ( s ) -up" CLOB)

What was the margin of victory at the LPGA Championship?
SELECT "Margin of victory" FROM table_45348 WHERE "Tournament" = 'lpga championship'
SELECT "Margin of victory" FROM "table_45348" WHERE "Tournament" = 'lpga championship'