Table:
text: List of number-one singles of 1971 (Canada)
List of number-one singles of 1971 (Canada)
List of number-one singles of 1971 (Canada)
Volume_Issue Issue_Dates Weeks_on_Top Song Artist
15:6 27 March 1  Doesn`t Somebody Want to Be Wanted  The Partridge Family
15:7 3 April 1  She`s a Lady  Tom Jones
15:8-9 10 April - 17 April 2  Stay Awhile  The Bells
15:10-15 24 April - 29 May 6  Joy to the World  Three Dog Night
15:16-18 5 June - 19 June 3  Brown Sugar  The Rolling Stones
15:19-20 26 June - 3 July 2  It Don`t Come Easy  Ringo Starr
15:21-23 10 July - 24 July 3  It`s Too Late  Carole King
15:24 31 July 1  Don`t Pull Your Love  Hamilton, Joe Frank & Reynolds
15:25-26, 16:1 7 August - 21 August 3  Sweet City Woman  The Stampeders

text: List of number-one singles of 1971 (Canada)
List of number-one singles of 1971 (Canada)
List of number-one singles of 1971 (Canada)
Volume_Issue Issue_Dates Weeks_on_Top Song Artist
14:18-22 19 December 1970 - 16 January 1971 5  Isn`t It a Pity  George Harrison
14:23-24 23 January - 30 January 2  Knock Three Times  Dawn with Tony Orlando
14:25 6 February 1  Lonely Days  Bee Gees
14:26 13 February 1  (I Never Promised You a) Rose Garden  Lynn Anderson
15:1 20 February 1  If You Could Read My Mind  Gordon Lightfoot
15:2-3 27 February - 6 March 2  One Bad Apple  The Osmonds
15:4-5 13 March - 20 March 2  Have You Ever Seen the Rain?  Creedence Clearwater Revival

text: List of number-one singles of 1971 (Canada)
List of number-one singles of 1971 (Canada)
List of number-one singles of 1971 (Canada)
Volume_Issue Issue_Dates Weeks_on_Top Song Artist
16:2-3 28 August - 4 September 2  How Can You Mend a Broken Heart?  Bee Gees
16:4 11 September 1  Sweet Hitch-Hiker  Creedence Clearwater Revival
16:5-7 18 September - 2 October 3  Uncle Albert/Admiral Halsey  Paul and Linda McCartney
16:8 9 October 1  Maggie May  Rod Stewart
16:9-10 16 October - 23 October 2  Go Away Little Girl  Donny Osmond
16:11 30 October 1  Yo-Yo  The Osmonds
16:12-14 6 November - 20 November 3  Gypsys, Tramps & Thieves  Cher
16:15-16 27 November - 4 December 2  Imagine  John Lennon
16:17 11 December 1  Theme from Shaft  Isaac Hayes
16:18-19 18 December 1971 - 1 January 1972 3  Family Affair  Sly & the Family Stone

Question: Among number one singles of 1971 (Canada) list, what is Song if Weeks is on Top 1 and if Volume:Issue is 15:6?