Table:
text: ISO 3166-1
Officially assigned code elements
Officially assigned code elements
English_short_name_upper_lower_case Alpha_2_code Alpha_3_code Numeric_code ISO_3166_2_codes
Togo TG TGO 768 ISO 3166-2:TG
Tokelau TK TKL 772 ISO 3166-2:TK
Tonga TO TON 776 ISO 3166-2:TO
Trinidad and Tobago TT TTO 780 ISO 3166-2:TT
Tunisia TN TUN 788 ISO 3166-2:TN
Turkey TR TUR 792 ISO 3166-2:TR
Turkmenistan TM TKM 795 ISO 3166-2:TM
Turks and Caicos Islands TC TCA 796 ISO 3166-2:TC
Tuvalu TV TUV 798 ISO 3166-2:TV
Uganda UG UGA 800 ISO 3166-2:UG
Ukraine UA UKR 804 ISO 3166-2:UA
United Arab Emirates AE ARE 784 ISO 3166-2:AE
United Kingdom GB GBR 826 ISO 3166-2:GB
United States US USA 840 ISO 3166-2:US
United States Minor Outlying Islands UM UMI 581 ISO 3166-2:UM

Question: What is the alpha-2 code for the area also known as TCA in ISO 3166-1?