What is probability of winning a "JACKPOT" on last table of a freeroll

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The probability of winning the "jackpot" in a freeroll

# The opportunity to win the Jackpot commences when the
first hand is dealt at the final table of ten players. The opportunity to win the Jackpot ends after the final hand is dealt at the final table
# The player must use both his/her hole cards to make the Royal Flush
# The hand must go to a showdown
# The 'Royal Flush' must be of hearts
# The Prize can only be won by a player who is playing on the 3rd Payout level