If myMovies collection is currently empty, how many documents would be inserted by the following call to insertMany().
db.myMovies.insertMany(
[{"_id" : "tt0084726",
"title" : "Star Trek II: The Wrath of Khan",
"year" : 1982,
"type" : "movie"},
{"_id" : "tt0796366",
"title" : "Star Trek",
"year" : 2009,
"type" : "movie"},
{"_id" : "tt0084726",
"title" : "Star Trek II: The Wrath of Khan",
"year" : 1982,
"type" : "movie"},
{"_id" : "tt1408101",
"title" : "Star Trek Into Darkness",
"year" : 2013,
"type" : "movie"},
{"_id" : "tt0117731",
"title" : "Star Trek: First Contact",
"year" : 1996,
"type" : "movie"}],
{ordered: false})
a)4
b)2
c)5
d)0
