Find the index of minimum in a vector of vectors of vectors

The way I’ve thought is as follows

# collect only the last element of each row of the vector c. 

collection = Any[]

for (i,element) in enumerate(c)
push!(collection,element)
end

# find the index where the last element is the smallest 
ind = findmin(collection)

# return the row of c that contains the smallest last element
c[ind]