Table:
text: Sailing at the 1968 Summer Olympics
Classes (equipment)
Classes (equipment)
Class_ Type_ Sailors Trapeze First_OG Olympics_so_far
Finn Dinghy 1 0 1952 5
Flying Dutchman Dinghy 2 1 1960 3
Star Keelboat 2 0 1932 8
Dragon Keelboat 3 0 1948 6
5.5 Metre Keelboat 3 0 1952 5

Question: What is the lowest value for Olympics if Sailors is greater than 1, if First OG is after 1948 and if Class is "Flying Dutchman" among the sailing class equipment at the 1968 Summer Olympics?