For uses denoted with a “P” in Section 32-121 (Use Group II – general use allowances), the provisions of this Section shall apply. In C4 Districts, all residential uses shall be permitted except that in lower density growth management areas within the Borough of Staten Island, no residences shall be allowed on the following zoning lots in C4-1 Districts where such zoning district occupies at least four acres within a block, except by special permit of the City Planning Commission in accordance with Section 74-121 (Residential use in C4-1 Districts in Staten Island).