How many segment C are there in the episode where segment D is bicycle tires?
CREATE TABLE table_15187735_20 (segment_c VARCHAR, segment_d VARCHAR)
SELECT COUNT(segment_c) FROM table_15187735_20 WHERE segment_d = "Bicycle Tires"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_15187735_20 (segment_c VARCHAR, segment_d VARCHAR) Question: How many segment C are there in the episode where segment D is bicycle tires? [/INST] SELECT COUNT(segment_c) FROM table_15187735_20 WHERE segment_d = "Bicycle Tires" </s>