CREATE TABLE table_19151 ("Month" TEXT, "Week" FLOAT, "Overall" TEXT, "Offensive" TEXT, "Defensive" TEXT, "Transition" TEXT, "Rookie" TEXT)

Who was the offensive award winner the week when Bob Watson was given the overall award?
SELECT "Offensive" FROM table_19151 WHERE "Overall" = 'Bob Watson'
SELECT "Offensive" FROM "table_19151" WHERE "Overall" = 'Bob Watson'