CREATE TABLE table_18334 ("District" TEXT, "Incumbent" TEXT, "Party" TEXT, "First elected" FLOAT, "Result" TEXT, "Candidates" TEXT)

How many times did an election feature the result robert l. leggett (d) 50.2% albert dehr (r) 49.8%?
SELECT COUNT("Result") FROM table_18334 WHERE "Candidates" = 'Robert L. Leggett (D) 50.2% Albert Dehr (R) 49.8%'
SELECT COUNT("Result") FROM "table_18334" WHERE "Candidates" = 'Robert L. Leggett (D) 50.2% Albert Dehr (R) 49.8%'