The question asks for the number of geometrical isomers possible, but the actual structure is not visible/provided in the prompt.

To determine geometrical isomerism, the exact structure is essential because it depends on:

1. Presence of a double bond or restricted rotation.
2. Whether each doubly bonded carbon has two different substituents.
3. Possible cis/trans or $E/Z$ arrangements.
4. Symmetry, which may reduce the total count.

Since the structure is missing, the number of geometrical isomers cannot be derived reliably from the given information alone.

What can be concluded?

• If the stored correct answer is 4, then the intended structure likely has either:
  • two independent geometrical elements giving $2^2 = 4$, or
  • a system whose symmetry still allows 4 distinct geometrical arrangements.

But without the structure, this cannot be verified step-by-step.

Comparison with stored answer

Because the structure is absent, I cannot independently confirm the answer. So I do not have enough basis to agree with the stored answer with confidence.

If you share the structure/image, I can compute the exact number of geometrical isomers properly.