CREATE TABLE table_11734041_17 (height_in_ft VARCHAR, years_for_rockets VARCHAR)

What is the hight of the player who's tenure lasted from 1969-70?
SELECT height_in_ft FROM table_11734041_17 WHERE years_for_rockets = "1969-70"
SELECT "height_in_ft" FROM "table_11734041_17" WHERE "1969-70" = "years_for_rockets"