An airplane wing is to be designed to lift 2000 lb when the

Question

Please determine the right solution of the given Problem

Problem- An airplane wing is to be designed to lift 2000 lb when the airplane is cruising at 200 ft/s with an angle of attack of 3^o.

Part 1- If the chord length is to be 4 ft, what span of wing is required (assuming standard atmospheric conditions).

I want experts assist to find span of wing is required in airplane.