SCHEMA:
CREATE TABLE table_name_43 (investing_dragon_s_ VARCHAR, money_requested__£_ VARCHAR, entrepreneur_s_ VARCHAR)
USER:
Which Investing Dragon has requested £100,000 and is supported by Entrepreneur Kay Russell?

QUERY:
SELECT investing_dragon_s_ FROM table_name_43 WHERE money_requested__£_ = "100,000" AND entrepreneur_s_ = "kay russell"