CREATE TABLE table_11603006_1 (score VARCHAR, location VARCHAR, purse__$__ VARCHAR)

What was the score for the tournament in Michigan where the purse was smaller than 1813335.221493934?
SELECT score FROM table_11603006_1 WHERE location = "Michigan" AND purse__$__ < 1813335.221493934
SELECT "score" FROM "table_11603006_1" WHERE "Michigan" = "location" AND "purse__$__" < 1813335.221493934