What is the Main span of the Qincaobei Bridge
CREATE TABLE table_42135 (
    "Name" text,
    "Main span metres" text,
    "Main span feet" text,
    "Year to open" real,
    "Country" text
)
SELECT "Main span feet" FROM table_42135 WHERE "Name" = 'qincaobei bridge'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What is the Main span of the Qincaobei Bridge ### Input: CREATE TABLE table_42135 (
    "Name" text,
    "Main span metres" text,
    "Main span feet" text,
    "Year to open" real,
    "Country" text
) ### Response: SELECT "Main span feet" FROM table_42135 WHERE "Name" = 'qincaobei bridge'